SOLUTION: zelma is 18 years older then her son. she is 3 times as old as him. how old are they ?

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Question 418426: zelma is 18 years older then her son. she is 3 times as old as him. how old are they ?



Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
zelma = x + 18
son = x
==> x+18 = 3x
==> 18 = 2x
==> x = 9, the age of the son.
x + 18 = 27, the age of zelma.