Question

Trevor earns $7.80 an our take-home pay and works 20 hours each week to buy a new laptop computer to take to college that cost $780 how many weeks will it take for church to achieve his goal

Answer 1

It will take him 5 years

7.80 * 20 = 156
780/156 = 5.01 ( So 5)

Answer 2

he makes 7.80 per hr....and works 20 hrs per week.....so he makes
7.80 * 20 = 156 per week

156x = 780....where x stands for the number of weeks
x = 780/156
x = 5 <== so it will take him 5 weeks to achieve his goal of having enough money to buy the computer