After 3 years a 1500 investment is worth 1680 what is the intrest rate on this investment

The rate of interest for the investment is 3.8

Step-by-step explanation:

Given as :

The Principal = 1500 unit

The Amount after 3 years = 1680  unit

The Time period = 3 years

Let The annual rate of interest = R %

From compounded method

Amount = Principal ×

Or, 1680 = 1500 ×

Or, =

Or, 1.12 =  

Or, = 1 +

Or, 1.038 = 1 +

So, 1.038 - 1 =  

∴  0.038 × 100 = R

I.e R = 3.8

Hence The rate of interest for the investment is 3.8   Answer

a

step-by-step explanation:

its wrong

the square root of 16 is 4.

4*4 = 16