Question

In a class of 49 students, number of girls is 2by 5 of the boys.Find the boys of the class

Answer 1

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Here is your answer
Let the number of boys are x
so Number of girls are 2x/5

ATQ
$x + \frac{2x}{5} = 49 \\ \frac{5x + 2x}{5} = 49 \\ 7x = 49 \times 5 \\ x = \frac{49 \times 5}{7} \\ x = 35$
Therefore Number of boys are 35

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