SOLUTION: Please help me solve this problem using algebraic equation. Chris is three years older than David. David is twice as old as Rick. The sum of Rick's age and David's age is 81. How

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Question 21561: Please help me solve this problem using algebraic equation.
Chris is three years older than David. David is twice as old as Rick. The sum of Rick's age and David's age is 81. How old is Rick?

Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
Chris is three years older than David. David is twice as old as Rick. The sum of Rick's age and David's age is 81. How old is Rick?
Let x = Rick's age
2x = Dvaids age
x+2x=81
3x=81
x=27
Rick's age is 27
=)