SOLUTION: Ken is 6 years older than Maria. Maria is twice as old as Pedro. The sum of their age is 36. How old is Pedro?

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Question 1139556: Ken is 6 years older than Maria. Maria is twice as old as Pedro.
The sum of their age is 36. How old is Pedro?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Ken          2p+6
Maria        2p
Pedro        p
SUM         36

SUM equation is in just the single variable, p, for Pedro's age.