Question

in a school, 5/8 of the students are boys. if the 240 are girls.no. of boys

Answer 1

$\frac{5}{8}\ of\ the\ students\ are\ boys. \\ \\ 1 - \frac{5}{8} = \frac{3}{8} = 240\ of\ the\ students\ are\ girls. \\ \\ Let\ the\ total\ no.\ of\ students\ in\ the\ school\ be\ x. \\ \\ \frac{3}{8} x = 240 \\ \\ x = 240 \times \frac{8}{3} = 640 \\ \\ \therefore\ There\ are\ 640\ students\ in\ the\ school. \\ \\ No.\ of\ boys \\ \\ = \frac{5}{8}x = \frac{5}{8} \times 640 = \bold{400} \\ \\ \therefore\ There\ are\ \bold{400}\ boys\ in\ the\ school.$

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Answer 2

In the school 5/8 are boys girls 240
Then boy s are 10