Raul deposited $3000 into a bank account that earned simple interest each year. after 3.5 years, he had earned $262.50 in interest. if no money was deposited into or withdrawn from the account, what was the annual interest rate? enter your answer in the box.

nothjing

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.