Debra start a babysitting business. She purchased toys, snacks, and other supplies. She charged an hourly rate for each child. T
he expression -145 + 6y represents the profit Debra has earned from her babysitting business. Which expression represents the total amount Debra earns from babysitting?
The profit formula is: total earnings- total expenses. In this case the 145 has a minus sign, which indicates that these are Debra's total expenses. Then, 6y represents total revenue. You can also identify that this is the answer because revenues depend on babysitting hours, which in this case, is represented by the variable "y".
