SOLUTION: Robert is now 1/2 his dad's age. Twelve years ago, robert was 1/3 his dad's age. Find both their ages now? Can you please help. I messed 4 days of school because of the flu.

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Question 232588: Robert is now 1/2 his dad's age. Twelve years ago, robert was 1/3 his dad's age.
Find both their ages now? Can you please help. I messed 4 days of school because of the flu.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Dad=x
Robert=x/2
x/2-12=x/3
x/2-x/3=12
(3x-2x)/6=12
x/6=12
x=72 age of Dad now.
72/2=36 Robert's age now.
Proof:
36-12=72/3
24=24