From: Chris Guo <guoxianghao@...>
Date: 2008-02-28T10:44:56+09:00
Subject: Re: Math problem

On Feb 26, 4:28 pm, grandmabec...@msn.com wrote:
> I am try to help my daughter:
> Problem
>
> father is 4 times older then his daughter.
> in 6 years he will be 3 times older what is the answer and how did you
> reach it.
> Thanks, a mom in CA

0.upto(100) do |father_age|
	0.upto(100) do |daughter_age|

       if (father_age  == 4* daughter_age) && (father_age+6  == 3*
(daughter_age+6))
         puts "father age is "+father_age.to_s+", and
daughter_age="+daughter_age.to_s
       end
   end
 end

father age is 48, and daughter_age=12