Question

The boys and the girls in a school are in the ratio 7: 11. If the total strength is 720. Find the number of boys and girls in the school​

Answer 1

Step-by-step explanation:

280,440

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Answer 2

Answer:

boys 280 and girls 440

Step-by-step explanation:

let the boys be x and the girls be y

x/y=7/11

x=7y/11

Given ;the total strength =720

x+y=720

7y/11+y=720

7y+11y=720x11

18y=720x11

y=440

x+y=720

x+440=720

x=280

hence boys =280girls =440