SOLUTION: Five years ago, roel was three times old as his brother tony. In 10 years, he will be 10 years older thab tony. Find their present ages.

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Question 1112369: Five years ago, roel was three times old as his brother tony. In 10 years, he will be 10 years older thab tony. Find their present ages.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
r, Roel
t, Tony

system%28r-5=3%28t-5%29%2Cr%2B10=%28t%2B10%29%2B10%29
-
r=3t-15%2B5
r=3t-10
-
r=t%2B10%2B10-10
r=t%2B10
-
equatingther
3t-10=t%2B10
2t=10%2B10
2t=20
highlight%28t=10%29
-
r-5=3%2810-5%29
r=3%2A5%2B5
highlight%28r=20%29