SOLUTION: If Brittany gets a 97 on her next math test, her average will be 89. However, if she gets 72, her average will be 89. How many tests has Brittany already taken?
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Question 737042: If Brittany gets a 97 on her next math test, her average will be 89. However, if she gets 72, her average will be 89. How many tests has Brittany already taken?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Is there a typo? How can she get the same average of 89 when she gets two different scores (97 and 72)?
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