SOLUTION: Ross is five years older than twice his sister Holly's age. The difference in their ages is 14 years. How old is Holly? I just need help setting the problem up; I can figure o

Question 750847: Ross is five years older than twice his sister Holly's age. The difference in their ages is 14 years. How old is Holly?

I just need help setting the problem up; I can figure out the answer myself, but knowing how to set it up would be crucial.
Found 2 solutions by ankor@dixie-net.com, josgarithmetic:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Ross is five years older than twice his sister Holly's age.
r = 2h + 5
:
The difference in their ages is 14 years.
r - h = 14
r = (h+14); you can use this form for substitution

How old is Holly?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
r for Ross age, and h for Holly age.
, Ross is five years older than twice his sister Holly's age.
, The difference in their ages is 14 years.

I would take r from the first equation and substitute into the second equation, and solve for h. You could then use what you found for h to find value of r.

and continue...
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