SOLUTION: Please help with this problem Persons taking a 20-hour review course to prepare for a standardized exam average a score of 720 on that exam. Persons taking a 50-hour review cour

Question 294442: Please help with this problem
Persons taking a 20-hour review course to prepare for a standardized exam average a score of 720 on that exam. Persons taking a 50-hour review course average a score of 768. Using an equation for the line whose graph depicts this data, predict the average score for persons taking a 45-hour review course. Round your answer to the tenths place.
Thanks
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Here is a problem that only differs in the numbers
http://www.algebra.com/algebra/homework/word/misc/Miscellaneous_Word_Problems.faq.question.260698.html
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