Hi.

I need help with the following problem. Could someone rephrase this for me please.

Hi.

I need help with the following problem. Could someone rephrase this for me please.

5 = (is) , `fifths`

= \frac{1}{5} but they ask `how many`

thus, it becomes \frac{x}{5}, `of 10`

means (\times 10)

hence, re-writing in mathematical notation

5 = \frac{x}{5} \times 10 or x = 2.5

Some very good explanation in here : https://greprepclub.com/forum/5-is-how-many-fifths-of-3618.html

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Got it. Thanks.

A fifth of 10 is 2.

So the question is asking this: By which number should we multiply 2 (the fifth of 10) to get a 5?

And the answer is 2.5.