Variation and Applications

Question

The number N of aluminum cans used each year varies directly as the number of people P using the cans. If 55 people use 11,495 cans in one year, how many cans are used in a city with a population of 1,819,000?

Answer 1

11495 cans / 55 people = X cans / 1819000 people.

Solve for X

X = 380,171,000 cans