Question

3. Mrs. Bull spilled coffee on her computer during the first week of school! The total cost after tax to repair it is represented by 0.09(75ℎ) + 75ℎ , where h represents the number of hours it takes to repair her computer. What part of the expression represents the amount of tax Mrs. Bull has to pay? Explain.

Answer 1

Consider the expression $0.09(75h) + 75h.$

If  h represents the number of hours it takes to repair the computer, then expression 75h represents the amount of money that repairer earns.

The expression 0.09(75h) represents the amount of money for tax Mrs. Bull has to pay. This means that tax makes up 9%.

Answer: first part 0.09(75h) represents the amount of money for tax Mrs. Bull has to pay.