Question

exercises 11-1
express each of the following ratios in three ways. write each ratio in simplest form.

1. of 48 vehicles sold last month at a dealership, 16 were hybrids. what is the ratio of the number of hybrids sold to the total number of cars sold?
2. what is the ratio of 60 volts to 8 volts?
3. a transformer has 1,128 primary turns and 16,848 secondary turns. express the ratio of primary turns to secondary turns in lowest terms.
4. a contractor spent 90 minutes preparing an estimate for a job and 24 hours doing the job. what is the ratio of the time spent preparing the estimate to the time spent doing the work on the job?
5. what is the ratio of 35 millimeters to 35 meters?
6. in a handful of coins, there are 4 nickels, 4 dimes, and 12 quarters. what is the ratio of the number of dimes to the total number of coins?

Explanation:

Express ratios for Questions 1 to 3

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$$

Express ratios for Questions 4 to 6

$$
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$$

Answer:

Question 1

1 to 3, 1:3, \(\frac{1}{3}\)

Question 2

15 to 2, 15:2, \(\frac{15}{2}\)

Question 3

47 to 702, 47:702, \(\frac{47}{702}\)

Question 4

1 to 16, 1:16, \(\frac{1}{16}\)

Question 5

1 to 1000, 1:1000, \(\frac{1}{1000}\)

Question 6

1 to 5, 1:5, \(\frac{1}{5}\)