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4 years ago

12

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.

1 answer:

Kitty [74]4 years ago

4 0

7.5 divided by 1.5 is 5 so there are 5 lifeguards throughout the day.

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