For the school concert band performance, student tickets cost $8 each and adult tickets cost $12 each. the sellers collected $3,200 from 300 tickets sold. how many adult tickets and student tickets were sold?
a. 100 adult tickets; 200 student ticketsb) 140 adult tickets; 160 student ticketsc) 160 adult tickets; 140 student ticketsd) 200 adult tickets; 100 student tickets

Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)