Problema Solution
A mother is three times as old as her daugther, in twelwe years time she will be twice as old. How old is the mother now?
Answer provided by our tutors
let
m = the age of the mother
d = the age of the daughter
A mother is three times as old as her daughter
m = 3d
in twelve years time she will be twice as old
m + 12 = 2(d + 12)
by solving the system of equations
m = 3d
m + 12 = 2(d + 12)
we find
m = 36 years
d = 12 years
click here to see the step by step solution of the system of equations
the mother is 36 years old
the daughter is 12 years old.