A. C = 17h + 15 b. 83 = 17h + 15 -15 - 15 subtract 15 from both sides 68 = 17h ------------ 17 divide both sides by 17 4=h They cleaned the house for 4 hours c. C = 20x to do this last part, you would put both equations into the calculator under y=, then look at the table to determine when the price is the same. According to the calculator, the price is the same at 5 hours
