Haven't had time for class and need a little help. Thank you in advance.

QSTN: Inclusion & Exclusion There are 76 students who are given a test with 3 questions on it: Q1, Q2, and 23. 1 of them did not answer any one of the questions. Based on the following facts, how many students answered all 3 questions? 52 students answer 01 38 students answer Q2 38 students answer Q3 22 students answer Q1 and Q2 28 students answer Q1 and 23 20 students answer Q2 and 23 Q1 Q2 B M Y Z Please use the following set notations A: students who only answered Q1 B: students who only answered 02 C: students who only answered 03 X: students who answered Q1 and Q2 but not 03 Y: students who answered Q1 and Q3 but not Q2 Z: students who answered Q2 and Q3 but not 01 M: students who answered all three questions Q1, Q2 and 23