Q: A luxury perfume costs $1200. The store owner decided to increase its price by 10% so that he could earn more profit. Few weeks had past but the perfume was still not sold. So, the owner decided to lower the price by 15%. By how much was the final price lower than the original price?
A: There was a $1200 x 10 / 100 = $120 increase of the original price. So, the perfume was priced for $1200 + $120 = $1320. Then, 15% of the new price is $1320 x 15 / 100 = $198. So, the final price is now $1320 - $198 = $1122. Therefore, the final price is $1200 - $1122 = $78 lower than the original price. The answer is 78.
Question: A local music festival is held every year for three days. The three day attendance this year was 2700 people. The second day was rainy so only half the number of people that showed up the first day showed up the second day. The third day was the finale, so attendance was triple the original day. How many people attended the second day of the festival?
Answer: Let x represent the attendance the first day. Second day: x / 2. Third day: 3x. Total:x + (x / 2) + 3x = 2700. (9 / 2)x = 2700. 9x = 5400. x = 600. Second day:600 / 2 = 300 people. The answer is 300.
[Question]Julia had to make 6 cakes for the party. Each cake takes 12 minutes to mix and needs 9 more minutes to bake than mix. Then it takes 6 more minutes to cool and decorate than to bake. How many hours will it take to make all 6 cakes?
[Answer]It takes 12 + 9 = 21 minutes to bake each cake. It takes 21 + 6 = 27 minutes to cool and decorate each cake. Therefore, it takes a total of 12 + 21 + 27 = 60 minutes to make one cake. Thus, it takes 60 / 60 = 1 hour to bake one cake. So, it will take 1 x 6 = 6 hours to bake all 6 cakes. The answer is 6.
Q: Marcy uses 6 ounces of pet cleaner to clean up a dog stain, 4 ounces to clean up a cat stain, and 1 ounce to clean up a rabbit stain. How much cleaner does she need to clean up after 6 dogs, 3 cats and 1 rabbit?
A: First find the total amount of cleaner used for the dogs: 6 ounces / dog * 6 dogs = 36 ounces. Then find the total amount of cleaner used for the cats: 4 ounces / cat * 3 cats = 12 ounces. Then add the amount of cleaner used for each species to find the total amount used: 36 ounces + 12 ounces + 1 ounce = 49 ounces. The answer is 49.
Question: Gwen received a $900 bonus at work and decided to invest this money in the stock market. She spent one-third of her bonus on stock A, one-third on stock B, and the remaining one-third on stock C.  After one year, stock A and stock B had doubled in value, while stock C had lost half of its value. At the end of the year, how much were Gwen's stocks worth, in dollars?
Answer: One - third of her bonus was $900 / 3 = $300. After one year, stock A doubled in value and was worth $300 * 2 = $600. After one year, stock B doubled in value and was worth $300 * 2 = $600. After one year, stock C had lost half its value and was worth $300 / 2 = $150. Altogether, at the end of the year, Gwen's stocks were worth $600 + $600 + $150 = $1350. The answer is 1350.
Q: Jane is painting her fingernails. She applies a base coat that takes 2 minutes to dry, two color coats that take 3 minutes each to dry, and a clear top coat that takes 5 minutes to dry. How many minutes total does Jane spend waiting for her nail polish to dry?
A:

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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First figure out how long both color coats will take to dry: 3 minutes * 2 = 6 minutes. Then add up the time for the base coat, top coat, and color coats: 6 minutes + 2 minutes + 5 minutes = 13 minutes. The answer is 13.