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solong [7]
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.
Mathematics
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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