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# There are $70$ student in class boys, girls ratio $4: 3$, how many are boy and girls?

**Given:** There are $70$ student in class boys, girls ratio $4: 3$.

**To do: **To find the number of boys and girls.

**Solution:**

As given ratio of the boys and girls $=4:3$

Total number of the students$=70$

Let $4x$ be the number of boys and $3x$ be the number of girls.

Therefore, Total number of students $=4x+3x=7x$

$\Rightarrow 7x=70$

$\Rightarrow x=\frac{70}{7}$

$\Rightarrow x=10$

Number of the boys$=4x=4\times10=40$

Number of girls$=3x=\times10=30$

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