Mathematics, 16.05.2021 02:10 alexseyreyes

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

Answers: 1

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A swimming pool is open for 7 1/2hours during a day. The pool keeps one lifeguard on duty at a time...