# SOLUTION: The combined age of two people is 75years. In 15years time, one person will be twice the other person's present age. Find their present ages

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 Question 618469: The combined age of two people is 75years. In 15years time, one person will be twice the other person's present age. Find their present agesAnswer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!x + y = 75 2(x + 15) = y + 15 ___ 2x + 15 = y substituting ___ x + (2x + 15) = 75 ___ 3x = 60 solve for x, then substitute back to find y