2019 AMC 10B Problems/Problem 3
Revision as of 12:25, 14 February 2019 by Ironicninja (talk | contribs)
Problem 3
In a high school with students, of the seniors play a musical instrument, while of the non-seniors do not play a musical instrument. In all, of the students do not play a musical instrument. How many non-seniors play a musical instrument?