SOLUTION: How old are they if tommy was twice as old as Eric and James is three-quarters the age of Tommy? All their ages add up to 27

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Question 484575: How old are they if tommy was twice as old as Eric and James is three-quarters the age of Tommy? All their ages add up to 27
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
eric=tommy/2
james=3tommy/4
eric+james+tommy=27
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tommy/2+3tommy/4+tommy=27
2t+3t+4t=108
9t=108
t=12
Tommy is 12, eric is 6, james is 9..