7.
Out of a certain sum of money a boy spends 3/5 and then 1/4 of the remainder. He has 15 rupees left. How much amount had he at first
Answers
Answered by
5
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 = 15 × 20 / 3
- x = 100
x = 100
hope it helps you
Similar questions