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Seven times the différence of a number and 7.Khloe is going to invest in an account paying an interest rate of 1.5% compounded annually. How much would Khloe need to invest, to the nearest dollar, for the value of the account to reach 54,000 in 11 years?Adam is 20 years younger than Brian. In two years Brian will be twice as old as Adam.:How old are they now?The sum of nine times a number and two is 119the sum of two consecutive integers is 123. What are the numbers