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17-01-2018
Mathematics

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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.

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MikaelaBentley MikaelaBentley

17-01-2018

You will need 5 lifeguards a day

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swagtheboss swagtheboss

17-01-2018

There are 5 shifts because 7 1/2 divided by 1 1/2 equals 5.

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