The pool is filled with water to 0.75 times its volume. What part of the pool is not filled with water?
| June 17, 2021 | education
To find out which part of the pool is filled, let’s convert the decimal fraction 0.75 to the usual one:
Write 75 in the numerator.
Write the number 100 in the denominator.
Cancel the numerator and denominator by 25.
0.75 = 75/100 = 3/4 – the pool is 3/4 full.
Answer: 3/4.
What part of the pool is left unfilled?
If there are only 4 parts (as indicated by the denominator), then the entire volume is 4/4 = 1.
Subtract 3/4 from the total volume
1 – 3/4 = 4/4 – 3/4 = 1/4
1/4 = 0.25 – the empty part of the pool.
Answer: 1/4.
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