Question 795224
I know that I'm half my mother's age
g = .5m
:
I know that my Dad is 5 yrs older than my mother.
d = (m+5)
:
 if we we add our ages the answer is 100 yrs
g + m + d = 100
substitute:
.5m + m + (m+5) = 100
2.5m = 100 - 5
m = 95/2.5
m = 38
:
Now how old is the gal, her mum & her dad???
You can find the ages of the gal and dad