SOLUTION: Carla is five years older than her sister Julie. The product of their ages is 234. How old is Julie?

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Question 608147: Carla is five years older than her sister Julie. The product of their ages is 234. How old is Julie?
Answer by solver91311(24713) About Me  (Show Source):
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Let represent Julie's age. Then must represent Carla's age.



Distribute and then add -234 to both sides. Solve the resulting quadratic. Note: Since 5 is small compared to the constant term, look for factors near the square root of 234.

John

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