Question 693217
let the age of the daughter be x yrs.
then the mother's age would be= 3x-3
given= sum of their ages= 45
               x+3x-3   =45
                  4x-3  =45
                     4x =48
                      x =12
so the daughter's age= x= 12 yrs
and mother's age = 3x-3 = 36-3 = 33yrs