Question 866820
<pre><font face = "consolas" color = "indigo" size = 3><b>
Hi
Let x represent daughter's age 
15 years older does not work, using 18 years older for the mother as an example
 Mother  + Daughter = 40
 ( x + 18) + x = 40
       2x = 22
        x = 11, the daughter's age, mother is 29