SOLUTION: a girl was half her mothers age and his father was five years older his mother their ages add upto 100 years how old was each?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: a girl was half her mothers age and his father was five years older his mother their ages add upto 100 years how old was each?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 855442: a girl was half her mothers age and his father was five years older his mother their ages add upto 100 years how old was each?
Answer by chndnbl(31) About Me  (Show Source):
You can put this solution on YOUR website!
Let girl age be x.
Mother age=2x
father age =2x + 5
sum of the ages =100
x + 2x + 2x +5 = 100
5x = 100 - 5
5x = 95
x = 95/5
x =19
sarah age=19
mother age=2*19=38
father age=38+ 5=43