Paige borrows $4000 at an interest rate of 12% per year what is the amount due at the end of 3 years

For this case we have an equation of the form:

Where,

A: initial loan

b: interest rate

x: number of years

Substituting values we have that the function that models the problem is:

By the end of the third year we have:

the amount due at the end of 3 years is:

the two may have that, even a breakdown is probably offered

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6