Math, asked by marta1686, 1 year ago

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 at first ?

Answers

Answered by honey5424
1
Money spent by the boy= 3/4
Money given to his sister=4/5
Money left=40
Amount he had at first=3/4-4/5

LCM=20
3/4*5/5=15/20
4/5*4/4=16/20
16-15/20= 1/20
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