Question 1067134

Let x be the number of years till the woman is twice her daughter's age.

   {{{ 43+x = 2(15+x) }}}
   {{{ 43+x = 30+2x }}}
    {{{  13 = x }}}

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Ans: The woman will be twice her daughter's age in {{{ highlight(13) }}} years.
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Check:   
              15+13 = 28  
              43+13 = 56 = 2*28  (ok)