# In a school, there are four boys for every five girls. If there are 120 boys, how many girls are there?

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1
Mar 9, 2018

$150$ girls

#### Explanation:

The ratio of boys to girls is $4 : 5$, and the information we have tells us that there are $120$ boys, giving us $120 : x$ where $x$ is the number of girls. Dividing $120$ by $4$ (the term in the ratio) gives us $30$. $30$ times $5$ (the term in the ratio) gives us $150$.

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Explain in detail...

#### Explanation:

I want someone to double check my answer

1
Mar 8, 2018

#### Explanation:

You would first divide 120 by 4. to get 30. Then multiply by 5 to get the number of girls.

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