The boys and girls in the ratio $8 : 3$ . If the number of girls is $42$ . How many boys are there in the school.

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Solution

The ratio of boys and girls $= 8 : 3$

Since, the number of girls is $42$ .

Let takes the ratio as $8 x : 3 x$

So,

$3 x = 42$

$x = 14$

Therefore, the number of boys

$= 8 \times 14$

$= 112$

Hence, this is the answer.

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The boys and girls in the ratio 8:3. If the number of girls is 42. How many boys are there in the school.

The ratio of boys and girls =8:3 Since, the number of girls is 42. Let takes the ratio as 8x:3x So, 3x=42 x=14 Therefore, the number of boys =8×14 =112 Hence, this is the answer.

The boys and girls in the ratio $8 : 3$ . If the number of girls is $42$ . How many boys are there in the school.

The ratio of boys and girls $= 8 : 3$

Since, the number of girls is $42$ .

Let takes the ratio as $8 x : 3 x$

So,

$3 x = 42$

$x = 14$

Therefore, the number of boys

$= 8 \times 14$

$= 112$

Hence, this is the answer.