Deshawn deposited $6500 into a bank account that earned 11.5% simple interest each year. he earned $4485 in interest before closing the account. if no money was deposited into or withdrawn from the account, for how many years was the money in the account? round your answer to the nearest whole year.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate