Answer the following question.
There are 15 students in the art club. By the end of each quarter, each student makes two artworks. If there are four quarters in a school year, how many artworks can the art club collect in two school years?
Step-by-step reasoning process: 15 x 2 = 30 artworks can be collected in one quarter. So in one school year, a total of 30 x 4 = 120 artworks can be collected. Therefore, 120 x 2 = 240 artworks can be collected in two school years.
The answer is 240.

Answer the following question.
Elizabeth has 10 reusable water bottles. She loses 2 water bottles at school. Then someone steals 1 of her water bottles at dance practice. To avoid any future theft of her water bottles, Elizabeth places 3 stickers on each of her remaining bottles. How many stickers does Elizabeth use in total on her water bottles?
Step-by-step reasoning process: Elizabeth has 10 - 2 - 1 = 7 water bottles. Elizabeth uses 7 * 3 = 21 stickers.
The answer is 21.

Answer the following question.
A craftsman makes 16 jars. This is exactly twice the number of clay pots he made. If each jar has 5 marbles and each clay pot has three times as many, how many marbles are there?
Step-by-step reasoning process: 16 jars are exactly twice the number of clay pots made by the craftsman, meaning there are 16 / 2 = 8 clay pots. If each jar has 5 marbles, the total number of marbles in the jars is 5 * 16 = 80. Each of the clay pots also has 3 * 5 = 15 marbles. The total number of marbles in the 8 clay pots is 15 * 8 = 120. There are a total of 120 + 80 = 200 marbles.
The answer is 200.

Answer the following question.
Dakota and Ben order eggs for $3, pancakes for $2, and 2 mugs of cocoa for $2 each. The tax is $1. Later, Ben then decides to order 1 more batch of pancakes and 1 more mug of cocoa as he is still hungry. How much change should they get from $15?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Step-by-step reasoning process: The cost of the food is $3 + $2 + $2 + $2 = $9. The original total cost, including tax is $9 + $1 = $10. Ben increases the total cost to $10 + $2 + $2 = $14. They should get $15 - $14 = $1 in change.
The answer is 1.