SOLUTION: Sarah is 8 more than 2 times as old as Brad. In five years the sum of the ages will be 69. How old is Brad?

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Question 774: Sarah is 8 more than 2 times as old as Brad. In five years the sum of the ages will be 69. How old is Brad?
Answer by arden42(16)   (Show Source): You can put this solution on YOUR website!
First, we need to write out what we know as equations:


Substituting the first equation into the second gives:




Brad is 17 years old.

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