SOLUTION: Torry took 6 tests, she had an average 97. First 5 tests had the same score. The last test had 12 points less. What was her last test score?

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Question 156070: Torry took 6 tests, she had an average 97. First 5 tests had the same score. The last test had 12 points less. What was her last test score?
Answer by jojo14344(1513)   (Show Source): You can put this solution on YOUR website!
If Torry has an of 97 for , so his total will be
Now, let the score for each test be . SO, . And the condition that the last Test, is 12 less, so the score is . Therefore adding the 6 Tests' score will total to . To show:



---->
--------------------------> SCORE for the 1st 5 tests
---------------------> SCORE on the last test
In doubt? Let's add the total tests & the should equal to :


Thank you,
Jojo

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