if a boy gets 40 marks out of 100 he gets 7%more then the pass marks .find the pass marks
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boy passed marks in 28
harskumar:
rong
oj
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37.38
let x be the passing number
and 7% of x = 7x/100
x+7x/100= 40
x = 37.38
let x be the passing number
and 7% of x = 7x/100
x+7x/100= 40
x = 37.38
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