Question

CJ was painting his apartment. In 15 minutes, 1 CJ had used 1/3 gallon of paint. Write an equation that represents the gallons of paint used, y, in x hours.

Answer 1

• y = 4/3x

Explanation:

Given

• 1/3 gallon of paint used in 15 minutes

Convert time into hour

• 1/3 gallon per 1/4 hour

Unit rate of gallons per hour is

• 1/3 ÷ 1/4 = 1/3 × 4 = 4/3 gallons / hour

The equation is

• y = 4/3x