Question: The cost of filling a car fuel tank is $45, and this can take you 500 miles before refilling. Mallory was going to her grammy's house, 2000 miles away. If she used 3/5 times as much money on food as she spent on filling the car fuel tank for the whole journey, calculate the total amount of money she used.
Answer: If Mallory gammy's house is 2000 miles away and she has to refill the fuel tank every 500 miles, she filled the tank 2000 / 500 = 4 times. If each refill costs $45, the total amount of money she used on refilling the tank is $45 * 4 = $180. The food cost was 3 / 5 times as much as the fuel costs, which is 3 / 5 * $180 = $108. On the whole journey, Mallory expenses on fuel and food costs are $108 + $180 = $288. The answer is 288.
[Question]Unrest leads to 30 days of protest in 21 different cities. In each city, there are 10 arrests per day. The average person spends 4 days in jail before trial and then spends half of a 2-week sentence. How many combined weeks of jail time are there?
[Answer]Each city arrest 30 * 10 = 300 people during the protest. So a total of 300 * 21 = 6300 people were arrested. They spend 14 / 2 = 7 days of their sentence in jail. So they spend a total of 7 + 4 = 11 days in jail. So there was a total of 6300 * 11 = 69300 days in jail. So they spent 69300 / 7 = 9900 weeks in jail. The answer is 9900.
Q: Shawna has 7 acorns. Sheila has 5 times as many acorns as Shawna, but 3 fewer acorns than Danny. How many acorns do they have altogether?
A: Sheila has 7 x 5 = 35 acorns. Danny has 35 + 3 = 38 acorns. Altogether, they have 7 + 35 + 38 = 80 acorns. The answer is 80.
Question: Dalton, Hunter, and Alex started a Superhero Fan Club. They set a goal to watch as many Superhero movies as they could in one summer. Dalton watched 7 movies, Hunter watched 12, and Alex watched 15. They all watched 2 movies together, but every other movie they watched was different. How many different movies did they see?
Answer: Dalton watched 7 – 2 = 5 more movies. Hunter watched 12 – 2 = 10 more movies. Alex watched 15 – 2 = 13 more movies. Altogether, they watched 2 + 5 + 10 + 13 = 30 different movies. The answer is 30.
[Question]Grant spends $200.00 a year to have the newspaper delivered daily to his house. Juanita buys the newspaper daily. Monday through Saturday, she spends $0.50 and on Sunday she spends $2.00. How much more money does Juanita spend buying the newspaper yearly than Grant?
[Answer]Monday through Saturday Juanita buys the paper for $0.50 so that's 6 * $0.50 = $3.00. She spends $2.00 for Sunday and $3.00 for the other 6 days so she spends $2 + $3 = $5.00 for the newspaper weekly. Over 52 weeks she spends 52 * $5 = $260.00. Juanita spends $260.00 on the newspaper for the year and Grants spends $200.00 a year so Juanita spends $260 - $200 = $60.00 more. The answer is 60.
[Question]Carly is trying to get in shape to try out for the soccer team. She starts by running 2 miles a week. The second week, she runs twice as long plus 3 extra miles per week. The third week she runs 9/7 as much as she ran the second week. The week after that, she sprains her ankle and has to reduce her running time by 5 miles per week. How many miles did she run the week she was injured?
[Answer]

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.
user
First find how long Carly runs the second week: 2 miles * 2 + 3 = 7 miles. Then find how long she runs in the third week: 9 / 7 * 7 miles = 9 miles. Then subtract the 5 miles reduction from when she was injured: 9 miles - 5 miles = 4 miles. The answer is 4.