SOLUTION: John is 2 times Bills age now. ten years ago he was seven times his age. What are their ages now.

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Question 267166: John is 2 times Bills age now. ten years ago he was seven times his age. What are their ages now.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
John is 2 times Bills age now. ten years ago he was seven times his age. What are their ages now.
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Equations:
J = 2B
J-10 = 7(B-10)
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Substitute for "J" and solve for "B":
2B-10 = 7B-70
5B = 60
B = 12 (Bill's age now)
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Since J = 2B, J = 2*12 = 24 (John's age now)
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Cheers,
Stan H.