Question

Five out of eight cousins can do 15 push-ups in one set. Write a decimal that is equivalent to the fraction of cousins who can do 15 push-ups. Round your decimal to the nearest hundredth.

Answer 1

0.63

Explanation:

The fraction is 5/8. It is equivalent to ...

5/8 = (5·125)/(8·125) = 625/1000 = 0.625

This exact decimal equivalent rounds to 0.63.

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It can be useful to memorize the decimal equivalents of common fractions, including multiples of 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, 1/10.