Kevin is ordering his girlfriend a mum for homecoming. There are three different option for ribbons, basic ribbons, sparkly ribbons, and lettered ribbons. 10 basic ribbons, 5 sparkly ribbons, and 3 lettered ribbons costs dollar 10.40. A dozen ribbons evenly divided between sparkly and basic and an additional 2 lettered ribbons cost dollar 8.20, 6 of each type of ribbon costs dollar 11.40. How much does each type of ribbon cost? A movie theater sells three different sizes of popcorn, A small popcorn costs dollar 3.75, a medium costs dollar 5.50, and a large costs dollar 6.50. On Friday, the movie theatre sold 267 bags of popcorn and earned a total revenue of dollar 1498.25 from popcorn. The number of small bags sold was 16 less than the number of medium bags sold. How many of each size popcorn was sold? Crowley High School is holding a family BBQ fundraiser to raise money for the volleyball team. They are selling burgers, chips, and drinks. A meal consisting of all three items costs dollar 4.75. In the first half an hour 12 burgers, 10 bags of chips, and 15 drinks were sold earning a revenue of dollar 58.75. By the end of the day a total of 54 burgers, 66 bags of chips and 71 drink were sold. The total revenue was dollar 289.75. What is the cost of each item?