Average Mathematics
  • Mr. Newton's mathematics class took the same math test and Mr. Euclid's students. Mr. Newton's has 20 students and the average (mean) test score was 90 percent. The average of Mr. Euclid's class was 80 percent. If you combine both classes, the average score on the test was 84 percent. How many students did Mr. Euclid have in his class?

Answer:    
  Please enter a numerical answer
(ex. 1000 or 2.033) and click GO.
   

Contest problems and answers provided by:

David Rock
rock_david@colstate.edu
Columbus State University

Doug Brumbaugh
brumbad@pegasus.cc.ucf.edu
University of Central Florida