Question

A swimming pool is open for 7 1/2 hours during a day. The pool keeps one lifeguard on duty at a time, and each lifeguard’s shift is 1 1/2 hours long. How many shifts are there per day?

Answer 1

5

Explanation:

7.5 hours total

1.5 hours per shift

Divide 7.5 by 1.5

= 5