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Alex
3 years ago
5

A pump started filling an empty pool with water and continued at a constant rate until the pool was full. At noon the pool was 1

/3 full, and 114114 hours later it was 3/4 full. What was the total number of hours that it took the pump to fill the pool?
A. 213213
B. 223223
C. 3
D. 312312
E. 323
Mathematics
1 answer:
Gemiola [76]3 years ago
5 0

Answer:

3 hours

Step-by-step explanation:

The pool was filled at noon = \frac{1}{3}

After 1\frac{1}{4}=\frac{5}{4} hours the fool was filled = \frac{3}{4}

So,water filled in pool in \frac{5}{4} hours = \frac{3}{4}-\frac{1}{3}

So,water filled in pool in \frac{5}{4} hours = \frac{5}{12}

\frac{5}{12} of pool is filled in hours =  \frac{5}{4}

Whole pool is filled in hours =  \frac{\frac{5}{4}}{\frac{5}{12}}

Whole pool is filled in hours =  3

Hence it took 3 hours the pump to fill the pool .

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