SOLUTION: a father is now twice as old as his daughter. Ten years ago he was three times as old as she was. How old are they both now? How do you work this out? What would the equation be?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: a father is now twice as old as his daughter. Ten years ago he was three times as old as she was. How old are they both now? How do you work this out? What would the equation be?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 418024: a father is now twice as old as his daughter. Ten years ago he was three times as old as she was. How old are they both now?
How do you work this out? What would the equation be?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
a father is now twice as old as his daughter
Let x and 2x represent the daughter's and father's ages NOW reszpectively
Question states*** 10 years ago...
2x-10 = 3(x-10)
Solving for x
20 = x, daughters age now. Father is 40.
CHECKING our Answer***10 years ago...
30 = 3*10