Problema Solution
Margo is 8 years older than her brother. The sum of their ages is 8. How old is her brother?
Answer provided by our tutors
let
m = the age of Margo
b = the age of her brother
Margo is 8 years older than her brother:
m = b + 8
The sum of their ages is 8:
m + b = 8
by solving the system of equations:
m = b + 8
m + b = 8
we find:
m = 8 years
b = 0 years
click here to see the step by step solution of the system of equations:
Margo's brother was just born.