Question

Find the number which when increased by 30% becomes 39.

Please give step by step explanation.​

Answer 1

Answer:

Let the number be x

1. Given , X + X * 30% = 39
2. X + 30/100X = 39
3. 130/100 X = 39
4. X = 39 * 100 / 130
5. X = 30

So the number is 30

Verification = 30 * 30 /100 = 9

30 + 9 = 39