Question

Correct me ! my answer [$52.57]
what I did to get it .. > 278.16*2.1*9 then I divided by 100

Petra deposited $278.16 in a savings account that earns 2.1% simple interest. What is Petra’s account balance after nine years?

$52.57

$284.00

$330.73

$525.72

Answer 1

thats just the interest.

Answer 2

you need to add principal to the interest. that gives total account balance.

balance = principal + interest
= 278.16 + 52.57
= ?

Answer 3

I get 330.73224

Answer 4

correct !