the number of boys and girls in the class are in the ratio of 7 is to 5 the number of boys is 8 more than the number of girls what is the total class strength
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the answer is 48. because no. of boys =28, no. of girls =20
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7:5
That means 7x and 5x
No. Of boys ==7x +8
No. Of girls =5x
Total strength =
7x+5x+8=0
12x=-8
X=-8/12
X=-2/3
Substitute this value.
That means 7x and 5x
No. Of boys ==7x +8
No. Of girls =5x
Total strength =
7x+5x+8=0
12x=-8
X=-8/12
X=-2/3
Substitute this value.
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