Question

can you check this for me?

Answer 1

Karim borrowed one hundred twenty dollars from his older brother for the purchase of a skateboard. He promised to pay back the loan in 6 months at a simple annual interest rate of fifteen percent. How much will Karim owe his brother at that time?

one hundred eight dollars

one hundred twenty−nine dollars

one hundred thirty−eight dollars

two hundred twenty−eight dollars

Answer 2

is it 180?

Answer 3

15% per annum = 15% / year
therefore 7.5% / 6 months
$120 x 1.075 = answer

Answer 4

as 0.075 x 120 = interest paid,
so 1.075 x 120 = initial loan + interest owed

Answer 5

and $180 isnt one of your options