3004457
3004457 3004457
  • 17-01-2018
  • Mathematics
contestada

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 MikaelaBentley
  • 17-01-2018
You will need 5 lifeguards a day
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swagtheboss
swagtheboss swagtheboss
  • 17-01-2018
There are 5 shifts because 7 1/2 divided by 1 1/2 equals 5.
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