Ina school 5/8 of the total students are girls.If the number of girls is 120 more than that of boys,what is the strength of the school? How many boys are there?
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Answer. Therefore the total strength of the school is 480.
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Let the population be x
No. of boys b are 3/8x
Given that g=120+b
5x/8=120+3x/8
2x/8=120
x/4=120
x=480
∴Strength of school=480
No. of girls= 5/8×480=300
No. of boys=480−300=180
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