Juan invests 9000 dollars in a bank. The bank pays 5% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 13000 dollars?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers