Question 1133763
Present ages,  x and 2x


Twenty years back,  {{{(2x-20)/(x-20)=10/3}}}

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{{{(x-10)/(x-20)=5/3}}}

{{{3(x-10)=5(x-20)}}}

{{{3x-30=5x-100}}}

{{{-30+100=2x}}}

{{{highlight(2x=70)}}}------------mother is 70.

{{{x=35}}}