Question

Marvin earns $7.75 per hour at his summer job. He wants to buy a video game system that costs $162.75.

Solve the equation to find the number of hours Marvin needs to work in order to afford the video game system.

Answer 1

21 hours

Explanation:

$162.75 ÷ 7.75 = y

$162.75 ÷ 7.75 × 7.75 = y × 7.75

$162.75 = 7.75y

7.75 × y = $162.75

7.75y = $162.75

7.75y ÷ 7.75 = $162.75 ÷ 7.75

y = 21