You put $5,000 in a simple interest account at a bank. You earn $1,200in just 4 years. What is the annual interest rate for the account?

6%

Step-by-step explanation:

To solve this problem we can use a modified version of the simple interest formula which is shown below:

I = interest amount

P = principal amount

t = time (years)

Now, lets plug in the values:

The last step is to convert 0.06 into a percent:

0.06(100) = 6

The interest rate is 6%.

a and c

step-by-step explanation:

i think the amount would be $140.62