54 books make up 25% of the books in the library. How many books are there in the library.

Question

Mathematics

Jace Gibson

19 June, 14:56

54 books make up 25% of the books in the library. How many books are there in the library.

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Answers (1)

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Wong · Answer 1

The answer to your question would be 216.

If 54 makes up 25 percent, then x makes up 100 percent. Using this phrase we can write a proportion or use equivalent fractions.

54/25 = x/100

A whole is 100 percent and we know 25 percent. Then it is simple to go from 25 percent to 100 percent. Simply multiply 25 times 4 to get 100 percent. Since we multiplied the denominator by four, then we have to multiply the numerator (54) by 4. 54 times 4 is 216.