No of boys and girls in a class room are in the ratio of 7:5,no of boys is 8 more than no of girls find the strength of class
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total strength of class is 60
Step-by-step explanation:
Let the common multiple be x
No. of Boys = 7x
No. of girl = 5x
According to the question
7x = 5x +8
7x - 5x = 8
2x = 8
x = 8
2
x= 4
so , No. of boys = 7 × 5
= 35
No. of girls = 5 ×5
= 25
the strength of class = 35 +25 =60
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