Jeff invests an amount at 4% interest compounded annually. after 3 year he has 1687.30, what was the original amount jeff invested?

Why do interests rates on loans to be lower in a weak economy than in a strong one

Iknow the answer but the calculator doesn't seem to give the right one

Which problem would you use the following proportion to solve for? 24/x=40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?