an empty swimming pool is to be filled up to 9/10 of its capacity. A pump takes half an hour to fill 3/10 of the pool, how long will it take to fill 9/10 of the pool?
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Answers
Answered by
4
Step-by-step explanation:
An empty pool being filled with water at a constant rate takes 8 hours to fill to 3/5 of its capacity. How much more time will it take to finish filling the pool?
(A) 5 hr 30 min
(B) 5 hr 20 min
(C) 4 hr 48 min
(D) 3 hr 12 min
(E) 2 hr 40 min
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Answered by
16
Answer:
3/10th of pool = 30 minutes
9/10th of pool= x minutes
3/10 * x = 9/10 * 30
3x/10 = 9*3
3x/10 = 27
3x = 270
x = 90 minutes
= 1 and 1/2 hours
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