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?

Algebra ->  Average -> 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?      Log On


   



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) About Me  (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)?