SOLUTION: A student answers 75% of the questions on a math exam correctly. If he answers 15 questions correctly, how many questions are on the exam?

Algebra ->  Average -> SOLUTION: A student answers 75% of the questions on a math exam correctly. If he answers 15 questions correctly, how many questions are on the exam?      Log On


   

Question 916671: A student answers 75% of the questions on a math exam correctly. If he answers 15 questions correctly, how many questions are on the exam?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
15 = 75% of the number
----
Find 1%
Multiply that by 100.