SOLUTION: Ross is six years older than hsi sister Holly, In two years he will be twice as old as his sister. Find their present ages. What's a formula to use for this?
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Question 345872: Ross is six years older than hsi sister Holly, In two years he will be twice as old as his sister. Find their present ages. What's a formula to use for this?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
R = H + 6
R + 2 = 2(H + 6 + 2) ___ R + 2 = 2H + 16 ___ substitute the equivalent value of R from the first equation to find H
then substitute the numerical value of H into the first equation to find R
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