Question

At a corner gas station, the revenue R varies directly with the number g of gallons of gasoline sold. If the revenue is $41.60 when the number of gallons sold is 13, find a linear equation that relates revenue R to the number g of gallons of gasoline. Then find the revenue R when the number of gallons of gasoline sold is 14.5.

Answer 1

$46.40

Explanation:

First of all varies directly means you use a proportion.

$41.60 = x.

13. 14.5

cross multiply

13x = 41.60 × 14.5

13x = 603.2

divide both sides by 13

46.4

$46.40