The number of N aluminum cans used each year varies as the number of people Pusi

Question

The number of N aluminum cans used each year varies as the number of people Pusing the cans. If 53 people use 21,094 cans in one year how many cans are used in a city with a population of 1,970,000?

Hookes Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 19cm when the weight is 4 grams, what is distance when weight is 8 grams?

Find the variation constance and an equation of variation where y varies inversily as x and y=2 when x=4?

Explanation / Answer

i.e. 53 people is to 21,094 cans/year = 1,970,000 people is to (how many) cans/year? Let the unknown quantity (how many) = x.

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