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Hiroshi borrowed 3 non fiction books from the library. This was 25% of the books he checked out. How many books did Hiroshi check out?

1 Answer

Mar 21, 2018

12

Explanation:

Set up an equation (with x as the unknown total number of books):

$\frac{1}{4} x = 3 \to$ $1/4x=3 rarr$ 3 is $\frac{1}{4}$ $1/4$ of the total number of books (x) that Hiroshi borrowed

$x = 12 \to$ $x=12 rarr$ Divide 3 by $\frac{1}{4}$ $1/4$ , the same as multiplying by 4

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