SOLUTION: someone had an average of 75 on his first four geography tests.after taking the next test his average dropped to 72.how much did he get in the fifth test?
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Question 1037582: someone had an average of 75 on his first four geography tests.after taking the next test his average dropped to 72.how much did he get in the fifth test?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
someone had an average of 75 on his first four geography tests.after taking the next test his average dropped to 72.how much did he get in the fifth test?
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(4*75 + Test)/5 = 72
300 + Test = 360
Test = 60
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