Question

Ricki decides to mow lawns in his neighborhood. He goes to the gas station and fills a 15-
gallon tank of gasoline for $45.50. Determine the proportion used to determine the cost for
one gallon of gasoline.
(1 point)
15 gallons $45.50 x dollars x gallons
$ per gallon
B) What is the cost of gasoline per gallon? Round the answer to the nearest hundredth.
(1 point)

Answer 1

A) Proportion: 15 gallons : \$45.50 = 1 gallon : x dollars (or 15/45.50 = 1/x).

B) x = 45.50 ÷ 15 = 3.0333... → \$3.03 per gallon (rounded to the nearest hundredth).