After polling a class of 20 music students by a show of hands, you find that 8 students play the guitar and 9 students play the piano. Given that information, what is the minimum number of students in this music class who play both the guitar and the piano?
F. 0
G. 1
H. 8
J. 9
K. 17
3 answers
I don't get how it's 0 Ms. Sue. Would we do 9 + 8 = 17, then do 20 - 17 = 3?
Oh wait, sorry. 3 is not even an answer choice.
The least number that plays both intruments is 0.