Question

Yolanda is driving on a highway she uses one gallon of gas every 20 miles she drives. The distance, D (in miles), she travels on g gallons of gas is given by the following function. D(g)=20g how far does Yolanda drive if she uses 3 gallons of gas.

Answer 1

60 miles

Explanation:

1 gallon = 20 miles

3 gallons = 20 × 3

3 gallons = 60 miles

Answer 2

60 miles

Explanation:

1 gallon every 20 miles

uses 3 gallons

3 • 20 = 60