jamerra receevied a $3000 car loan. she plans on paying off the car loan in 2 years at the end of 2 years, jamerra will have paid $450 in intrest. What is the simple interest rate on the car loan

Respuesta :

the answer is :

(450/2) = $225 simple interest  

225 / 3000 = 0.075  =  7.5%