From: ycsunil Date: 2008-02-26T17:44:55+09:00 Subject: Re: Math problem On Feb 26, 1:28 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 This is not the right forum to ask..anyway I can answer this question Father is 4 times older then his daugher. so the first equation will be: Equation 1: Father = 4 * Daughter In 6 years he will be 3 times older. so the second equation will be: Equation 2: (Father + 6) = 3 * (Daughter + 6) Solve equation 1 and 2 In equation 2; replace 'Father' by '4 * Daughter' (by equation 1) so equation 2 can be written as: (4Daughter + 6) = 3Daughter + 18 4Daughter - 3Daughter = 18 - 6 Daughter = 12 Present Daughter age is 12 Father present age is : 4 * Daughter age = 4 * 12 = 48