SOLUTION: Adam is 12 years older than his sister Emily. The sum of their ages is three times Emily's age. How old is Adam?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Adam is 12 years older than his sister Emily. The sum of their ages is three times Emily's age. How old is Adam?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1116867: Adam is 12 years older than his sister Emily. The sum of their ages is three times Emily's age. How old is Adam?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
system%28A=E%2B12%2Cand%2CA%2BE=3E%29

Find A.

A=2E
E=A%2F2
A=A%2F2%2B12
2A=A%2B24
A=24------Adam
E=12------Emily