a boy spends 3/4 of his pocket money and then 4/5 of the remainder is given to his sister if he has rupees 40 left what did he have first?
arpanchakma123:
Do this sum in detail please
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Answered by
24
Pocket money = x
He spends 3/4 of x. Left is x/4
According to question
x/4 - 4/5*(x/4) = 40
x/4 [1 - 4/5] = 40
x/20 = 40
x = 800
He have ₹800 initially
He spends 3/4 of x. Left is x/4
According to question
x/4 - 4/5*(x/4) = 40
x/4 [1 - 4/5] = 40
x/20 = 40
x = 800
He have ₹800 initially
Answered by
7
hey mate your answer
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