Question

the ratio of boys to girls in a club is 7:4, there are 21 fewer girls than boys , what is the total number of children in the club?

Dec 11, 2014

let the number of boys be 7x and the number of girls be 4x

7x - 4x = 21
3x = 21
x = 7

so there are 49 boys and 28 girls for a
total of 77

Dec 11, 2014

Ggbbb

Jan 20, 2018

Good

Jan 7, 2022

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