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
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Step-by-step explanation:
280,440
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Answered by
0
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
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