Problema Solution
You are saving up for a cell phone that costs $120. You already have $48 in the bank.
You get a job babysitting and earn $8 per hour. Write and solve an equation to find the number of hours you need to baby sit to have enough money to buy the cell phone.
Answer provided by our tutors
Let x represent the number of hours you need to baby sit
48 + 8x = 120
........
........
x = 9 hr
You need to baby sit 9 hours to have enough money to buy the cell phone.