Question

Universe School the ratio of the numbers of a numbersong of the girls to that the boys in the class eight is 3 is to 5 find the number of the boys if the total number of student in the class is 48 ​

Answer 1

Answer:

30

Step-by-step explanation:

Total = 48

boys = 5x

girls = 3x

3x + 5x = 48

8x = 48

x = 6

Boys = 5 x = 5(6) = 30

Answer 2

$let \: girls \: be \: 3x \\ and \: boys \: be \: 5x \\ 3x + 5x = 48 \\ 8x = 48 \\ x = 6 \\ so \: 3x = 3 \times \: 6 = 18 \\ 5x = 5 \times 6 = 30$
so boys =30.
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