Question

wall in sq. feet?
4. The salary of a person was increased by 15%. If his salary now is 9,936, what washis
initial salary?​

Answer 1

Answer:

The initial salary of the person was Rs. 8640.

Step-by-step-explanation:

Let the initial salary of the person be Rs. x.

The salary was increased by 15 %.

∴ New salary = x + ( 15 % of x )

⇒ 9936 = x + ( x * 15 / 100 )

⇒ 9936 = x + ( x * 3 / 20 )

⇒ 9936 = x + ( 3x / 20 )

⇒ ( x * 20 + 3x ) / 20 = 9936

⇒ 20x + 3x = 9936 * 20

⇒ 23x = 198720

⇒ x = 198720 ÷ 23

⇒ x = Rs. 8640

∴ The initial salary of the person was Rs. 8640.