Question

21. The number of boys in a school is 334 more than the number of girls. If the total strength of
the school is 572, find the number of girls in the school.

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Answer 1

step-by-step

Let the no: of girls be x

No: of boys = x + 334

total strength = 572

x + x + 334 = 572

2x + 334 = 572

2x = 238

x = 119

No: of girls = 119

Answer 2

Answer:

There are 119 girls in the school.

Step-by-step explanation:

Let the number of girls be x.

Number of boys = x + 334.

Total strength of the school = 572

                                               = x + x + 334

                                               = 2x + 334

572 - 334 = 238. This means that the value of 2x is 238. So, to find the value of x, i.e., the number of girls, we have to do 238 divided by 2, which is equal to 119.

Therefore, the number of girls in the school is 119.