Question

parking in a student lot costs 2.00 for the first half hour and a 1.50 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time a student park in this lot for 7.00?

Answer 1

3 and a half hours

Answer 2

This is a "ceiling" or "greatest integer" problem.

Answer 3

After subtracting the first half-hour, 5/1.5 >= [x] where [ ] stands for greatest integer.