A School PTA Wants to Rent a Dunking Tank for Its

Multiple Choice

A school PTA wants to rent a dunking tank for its annual school fundraising carnival. The cost is $80.00 for the first three hours and then $18.50 for each additional hour or part thereof. How long can the tank be rented if up to $180 is budgeted for this expense?

A) 5 hr
B) 7 hr
C) 4 hr
D) 6 hr
E) 8 hr