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Fred is 4 years older than Barney. Five years ago the sum of their ages was 48.How old are they now?Josefa wants 5,000 saved in 2 years to make a down payment on a house. How much money should she invest now at 4.45% compounded annually in sắp xếp to meet her goal?Taylor invested 650 in an account paying an interest rate of 2.3% compounded daily. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach 880?four times one number added to another number is 36. three times the first number minus the other number is 20. find the numbersThe sum of 5 times a number and 6 is 2