In a school 5/8 of the students were 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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Let the no. of students be x
no. of girls= 5x/8....(1)
no.of boys= 3x/8.... (2)
5x/8= 120+ 3x/8
5x/8-3x/8= 120
2x/8= 120
2x= 120*8
2x= 960
x=960/2
x=480
Putting the value of x in1:
5x/8= 5(480)/4= 300 (no. of girls)
Putting the value of x in 2
3x/8= 3(480)/8= 180 (no. of boys)
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Answered by
3
Let the no. of students be x
no. of girls= 5x/8.(1)
no.of boys= 3x/8..(2)
5x/8= 120+ 3x/8
5x/8-3x/8= 120
2x/8= 120
2x= 120'8
2x=960
x=960/2
x-480
Putting the value of x in 1:
5x/8= 5(480)/4= 300 (no. of girls)
Putting the value of x in 2
3x/8= 3(480)/8= 180 (no. of boys)
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