Find the sum that amounts to Rs 9,144 in 3 years at 9% per year simple interest.​

Given:

Amount = Rs. 9,144

Time = 3 years.

Rate of simple interest = 9%

To find:

The principal value.

Solution:

The formula for simple interest is:

Where, P is principal, r is the simple rate of interest, and t is the number of years.

Putting in the above formula, we get

We know that,

Divide both sides by 1.27, we get

Therefore, the principal value is Rs. 7200.

1. 34

2. 268

3. x=14.4

step-by-step explanation:

what is the original number? you forgot to add it.