SOLUTION: If a test is 80, I make a 70, there are 20 questions, how many questions did I get right?

Algebra ->  Average -> SOLUTION: If a test is 80, I make a 70, there are 20 questions, how many questions did I get right?      Log On


   



Question 859042: If a test is 80, I make a 70, there are 20 questions, how many questions did I get right?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
80 pt test, 20 questions: questions 4pts@
70pts%2F4pts+=+17.5 17 12