Question

the number n of aluminum cans used each year varies directly as the number of people p using the cans. if 51 people use 15,300 cans in one year, how many cans are used in a city which has a population of 1,494,000?

the number of cans used is .

Explanation:

Set up the direct variation equation

Using the Direct Variation knowledge point

$$ N = k \cdot P $$

Find the constant of variation

Using the Constant of Variation knowledge point

$$
LATEXBLOCK0
$$

Calculate the target number of cans

Using the Direct Variation knowledge point

$$
LATEXBLOCK1
$$

Answer:

The number of cans used is <blank>448,200,000</blank>.