Question 1123826
Ten years ago, the sum of the ages of a mother and her daughter was seventy years.
{{{m+d-10-10=70}}}
{{{m+d=90}}}



This year m is twice d.
{{{m=2d}}}



30 and 60
Daughter and Mother, this year.


(In ten years, daughter will be  30+10=40 .)