Question

recognizing serious consequences to tobacco use
us deaths attributable to smoking, 2005–2009
according to the graph, about dropdown of us deaths attributable to smoking are caused by lung cancer.
about half of deaths are caused by dropdown.
pie chart with labels: lung cancer (127,700), other cancer (36,000), coronary heart disease (99,300), diabetes mellitus (9,000), copd (100,500)

Explanation:

Step1: Calculate total deaths

First, sum all the death counts: \(127700 + 36000 + 99300 + 9000 + 100500\). Let's compute that: \(127700+36000 = 163700\); \(163700 + 99300 = 263000\); \(263000 + 9000 = 272000\); \(272000 + 100500 = 372500\).

Step2: Find percentage for lung cancer

Lung cancer deaths are \(127700\). The percentage is \(\frac{127700}{372500} \approx 0.343\) or \(34\%\) (approximate, so about a third or 20 - 40% range, but let's check the second part too).

Step3: Check which is about half

Total deaths: \(372500\). Half of that is \(186250\). Let's see the sum of which categories: Lung cancer (\(127700\)) + COPD (\(100500\))? No. Wait, Lung cancer (\(127700\)) + Coronary Heart Disease (\(99300\))? \(127700 + 99300 = 227000\), no. Wait, maybe the sum of Lung Cancer and COPD? Wait, no, let's check the numbers again. Wait, the green is Coronary Heart Disease (\(99300\)), red is COPD (\(100500\)), blue is Lung Cancer (\(127700\)). Wait, maybe the first blank: lung cancer is \(127700\) out of total \(372500\), so \(\frac{127700}{372500} \approx 34\%\), so about a third (or 20 - 40%, but common options for such graphs: maybe 20%, 25%, 30%, 35%, 40%. But let's check the second part: which category or combination? Wait, Lung Cancer (\(127700\)) and COPD (\(100500\)) sum to \(228200\), which is more than half? No, wait total is \(372500\), half is ~186k. Wait, maybe the sum of Lung Cancer and Coronary Heart Disease? \(127700 + 99300 = 227000\), still more. Wait, maybe the first blank: the options for the first dropdown (assuming common options) would be like 20%, 25%, 30%, 35%, 40%. Since \(127700/372500 \approx 34\%\), so about a third, but maybe the first answer is "one - third" or "20 - 40%", but let's check the second part: which cause is about half? Wait, maybe the sum of Lung Cancer and COPD? Wait, no, maybe the question is about which single category or combination? Wait, the green is Coronary Heart Disease (\(99300\)), red is COPD (\(100500\)), blue is Lung Cancer (\(127700\)). Wait, maybe the second blank: the sum of Lung Cancer and Coronary Heart Disease? No, maybe the first blank: lung cancer is about 20 - 40% (so about a third, but let's see the numbers again. Wait, total deaths: \(127700 + 36000 + 99300 + 9000 + 100500 = 372500\). Lung cancer: \(127700\), so \(\frac{127700}{372500} \approx 34\%\), so about a third (or 20 - 40%). For the second part, which is about half: let's see the sum of Lung Cancer (\(127700\)) and COPD (\(100500\)) is \(228200\), which is more than half? No, half is \(186250\). Wait, maybe the question is about which two categories? Wait, maybe the first blank: the answer is about 20 - 40% (so "one - third" or "30% - 40%"), but let's check the second part: the sum of Lung Cancer and Coronary Heart Disease? \(127700 + 99300 = 227000\), still more. Wait, maybe the first blank: the options are like 20%, 25%, 30%, 35%, 40%. Since \(127700/372500 \approx 34\%\), so about 30 - 40%, so "about a third" or "20 - 40%", but maybe the first answer is "one - third" (or 30%), and the second part: the sum of Lung Cancer and COPD? Wait, no, maybe the second blank is "Lung Cancer and Coronary Heart Disease"? No, wait the numbers: Lung Cancer (\(127700\)), Coronary Heart Disease (\(99300\)): together \(227000\), which is more than half? Wait, total is \(372500\), half is \(186250\). Wait, maybe the question has a typo, but looking at the numbers, the first blank: lung cancer is about 34%, so "about a third" or "20 - 40%", and the second part: the sum of Lung Cancer and COPD is \(127700 + 100500 = 228200\), which is more than half? No, maybe the second blank is "Lung Cancer and Coronary Heart Disease"? No, wait maybe the first blank: the options are like 20%, 25%, 30%, 35%, 40%. So 34% is about a third, so "one - third" or "30%". For the second part, which category or combination is about half? Wait, maybe the sum of Lung Cancer and COPD is \(228200\), which is more than half, but maybe the question is about which two? Wait, no, maybe the first blank: the answer is "20% - 40%" (or 30%), and the second blank: "Lung Cancer and Coronary Heart Disease" (but no, let's re - check the total. Wait, maybe I miscalculated the total. Let's recalculate:

Lung Cancer: \(127700\)

Other Cancer: \(36000\)

Coronary Heart Disease: \(99300\)

Diabetes Mellitus: \(9000\)

COPD: \(100500\)

Total: \(127700 + 36000 = 163700\); \(163700 + 99300 = 263000\); \(263000 + 9000 = 272000\); \(272000 + 100500 = 372500\). Correct.

Lung cancer percentage: \(\frac{127700}{372500} \approx 0.343\) (34.3%).

Now, which is about half? Let's see the sum of Lung Cancer and COPD: \(127700 + 100500 = 228200\). Sum of Lung Cancer and Coronary Heart Disease: \(127700 + 99300 = 227000\). Sum of Coronary Heart Disease and COPD: \(99300 + 100500 = 199800\), which is close to half (\(186250\)). Oh! \(199800\) is close to half of \(372500\) (which is \(186250\)). So Coronary Heart Disease (\(99300\)) and COPD (\(100500\)) sum to \(199800\), which is about half. Wait, but the question says "about half of deaths are caused by [dropdown]". Maybe the dropdown options include "Coronary Heart Disease and COPD" or maybe a single category? Wait, no, the single categories: Lung Cancer (\(127700\)), Other Cancer (\(36000\)), Coronary Heart Disease (\(99300\)), Diabetes (\(9000\)), COPD (\(100500\)). None of the single categories are half. So it must be a combination. But maybe the question has a mistake, but based on the numbers, the first blank: lung cancer is about 34%, so "about a third" or "20 - 40%", and the second blank: the sum of Coronary Heart Disease and COPD (since \(99300 + 100500 = 199800 \approx 200000\), and half of \(372500\) is ~186k, so close). But maybe the first blank answer is "one - third" (or 30 - 40%) and the second is "Coronary Heart Disease and COPD" or maybe the question's first blank is "20% - 40%" and the second is "Lung Cancer and Coronary Heart Disease"? Wait, no, let's check the original problem again. The first blank: "about [ ] of US deaths attributable to smoking are caused by lung cancer". The second: "About half of deaths are caused by [ ]".

Wait, maybe the first blank: the options are like 20%, 25%, 30%, 35%, 40%. So 34% is about a third, so "one - third" or "30%". For the second, the sum of Lung Cancer (\(127700\)) and Coronary Heart Disease (\(99300\)) is \(227000\), which is more than half, but the sum of Coronary Heart Disease (\(99300\)) and COPD (\(100500\)) is \(199800\), which is close to half. Alternatively, maybe the first blank is "20% - 40%" and the second is "Lung Cancer and COPD" (sum \(228200\), which is more than half, but maybe the question considers that as about half). Wait, maybe I made a mistake in total. Wait, let's add again:

Lung Cancer: 127,700

Other Cancer: 36,000 → 127700 + 36000 = 163,700

Coronary Heart Disease: 99,300 → 163700 + 99300 = 263,000

Diabetes Mellitus: 9,000 → 263000 + 9000 = 272,000

COPD: 100,500 → 272000 + 100500 = 372,500. Correct.

So lung cancer is 127700 / 372500 ≈ 34.3%, so about a third (or 30 - 40%). The second part: which two categories sum to about half? 372500 / 2 = 186,250. Let's see:

Lung Cancer (127700) + Other Cancer (36000) = 163700 (close to 186k, but no).

Lung Cancer (127700) + Coronary Heart Disease (99300) = 227000 (more than half).

Coronary Heart Disease (99300) + COPD (100500) = 199800 (very close to 186k, difference is 13,550, so about half).

So the second blank is likely "Coronary Heart Disease and COPD" or maybe the question has a typo, but based on the numbers, the first blank: about 30 - 40% (so "one - third" or "30%"), and the second: "Coronary Heart Disease and COPD". But maybe the first blank's options are like 20%, 25%, 30%, 35%, 40%, so 34% is about 30 - 40%, so "30%" or "one - third".

But let's assume the first blank: the answer is "about a third" (or 30 - 40%) and the second is "Coronary Heart Disease and COPD". But maybe the question's first blank is "20% - 40%" and the second is "Lung Cancer and Coronary Heart Disease", but no, the numbers don't support that. Wait, maybe the first blank is "20% - 40%" (since 34% is in that range) and the second blank is "Lung Cancer and COPD" (sum 228200, which is more than half, but maybe the question considers that as about half). Alternatively, maybe the first blank is "30%" and the second is "Coronary Heart Disease and COPD".

But to answer the first part: the percentage of lung cancer is approximately 34%, so about a third (or 20 - 40%). For the second part, the sum of Coronary Heart Disease (99300) and COPD (100500) is 199800, which is about half of 372500 (since 372500 / 2 = 186250, and 199800 is close). So:

First blank: about a third (or 20 - 40%, but likely "one - third" or "30%")

Second blank: Coronary Heart Disease and COPD (or the combination, but if the dropdown has options like "Lung Cancer", "COPD", "Coronary Heart Disease", "Coronary Heart Disease and COPD", then that's the answer).

But since the problem is about the pie chart, the first answer is about 30 - 40% (so "about a third") and the second is the combination of Coronary Heart Disease and COPD. But maybe the question's first blank is "20% - 40%" and the second is "Lung Cancer and Coronary Heart Disease", but no, the numbers are as above.

Answer:

First blank: about a third (or 30 - 40%); Second blank: Coronary Heart Disease and COPD (or the combination that sums to about half). But based on the numbers, the first percentage is ~34%, so "about a third" and the second is the sum of Coronary Heart Disease and COPD.