Question

Out of a certain sum of money a boy spends 3/5 , and then 1/4 of the remainder. He has rupees 15 left. How much amount had he at first. (FOR 8TH STANDARD).........♥️♥️​

Answer 1

Answer:

100

Step-by-step explanation:

Let the total money be x

3/5 of x + 1/4 of x - x = 15

3x/5 + 1x/4 - x = 15

12x+5x/20 - x = 15

17x /20 -x = 15

17x -20x/20 =15

-3x/20 =15

-x = 15x20/3

-x = 100

x =100