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Bert is 5 times as old as Ernie. Nine years ago, the sum of their ages was 48. Determine both their ages now.Kelsey has 100 in an account. The interest rate is 11% compounded annually.To the nearest cent, how much will she have in 2 years?Gordon and Anita deposit 700.00 into a savings account which earns 11% interest compounded monthly. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?Noy is twice as old as Kris. In eight years, Noy will be four years older than Kris. Find their present ages.the square of a negative number is 24 more than 5 times the number