Step-by-step explanation:
let the number of boys be x
therefore no. of girls =2/7 of x
now, A.T.Q
2/7 of x + x = 54
...
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Verified answer
Step-by-step explanation:
let the number of boys be x
therefore no. of girls =2/7 of x
now, A.T.Q
2/7 of x + x = 54
...