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A swimming pool is open for 7 1/2 hours a day. Each lifeguard will stay on duty for 1 1/2 hours. How many lifeguards will be needed for one day?

A swimming pool is open for 7 1/2 hours a day. Each lifeguard will stay on duty for 1 1/2 hours. How many lifeguards will be needed for one day?
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A swimming pool is open for 7 1/2 hours a day. Each lifeguard will stay on duty for 1 1/2 hours. How many lifeguards will be needed for one day?

asked
User Barlas Apaydin
by
8.9k points

1 Answer

3 votes

7+1/2hours=15/2hours

1+1/2=3/2

(15/2)/(3/2)=5

5 lifeguards needed there

answered
User Florian Drawitsch
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8.6k points
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