SOLUTION: Jonas is twice as old as mike. Four years ago,he was thrice as old as mike. How old is mike now? Answer and solution

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Question 1123971: Jonas is twice as old as mike. Four years ago,he was thrice as old as mike. How old is mike now? Answer and solution
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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Jonas is twice as old as mike. For Four years ago,he was thrice as old as mike. How old is mike now? Answer and solution
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            Now            Four Years Ago

Jonas      2x              2x-4

Mike       x               x-4




2x-4=3%28x-4%29
-
2x-4=3x-12
-4%2B12=x
x=8