Answer:
8
Step-by-step explanation:
Answers are
there are four ways to choose the committee
there are three ways to form the committee if person D must be on it
if person B and C must be on the committee, there are two ways to form the committee
Answer: They sold 68 tickets at the door
688-920= -2x= -232
2x=232/2=116
184-116=68
Well there eqaul but one is just got the internet added to there home