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

User AjOnFire
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8.3k points

1 Answer

5 votes
7.5 divided by 1.5 = 5
Therefore there are 5 shifts :)
User Vsnyc
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8.7k points
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