Question

out of certain sum of money a boy
spends 3/5, and then 1/4 of the
remainder. .
He has left & 15. How much amount had
he at fisrt?​

Answer 1

Answer:

50

Step-by-step explanation:

let, x is the amount he had first.

he spend 3/5 of it, then remaining,

=(x-3x/5)= 2x/5

then spend 1/4 th of remaining then amount left,

={2x/5- (2x/5 *1/4)}

=(2x/5- x/10)

=3x/10

according to the problem,

3x/10=15

x =15*10/3

x =150/3=50

the amount he had 50 rupees.