Question 1123971
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Jonas is twice as old as mike. <s>For</s> Four years ago,he was thrice as old as mike. How old is mike now? Answer and solution
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<pre>
            Now            Four Years Ago

Jonas      2x              2x-4

Mike       x               x-4
</pre>




{{{2x-4=3(x-4)}}}

-

{{{2x-4=3x-12}}}
{{{-4+12=x}}}
{{{x=8}}}