Saturday, 12 November 2011

Difficult Problem 2.


Derek is twice as old as Bill was when Derek was as old as Bill is now:
The combined age of Derek and Bill is 56 years.
How old are Derek and Bill now?

The solution will be on the blog soon or someone may offer up the solution sooner than that! 

Can you solve it?

With Algebra and not by trial & error?


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