SOLUTION: To travel a fixed distance, the number of gallons -N- of gasoline needed is inversely proportional to the miles per gallon rating -P- of the car. A car that gets 28 miles per gall

Question 916832: To travel a fixed distance, the number of gallons -N- of gasoline needed is inversely proportional to the miles per gallon rating -P- of the car. A car that gets 28 miles per gallon needs 22 gallons to travel the distance.
a)find an equation of variation
b)how much gas will be needed for a car that gets 77 miles per gallon?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
N, gallons needed for a given distance
P, fuel efficiency miles per gallon
Description:

Next, find k knowing that N=22 and P=28.

EQUATION of VARIATION:
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