[Question]Chastity bought 4 lollipops which cost $1.50 each, and she also bought 2 packs of gummies which cost $2 each. If she has $15, how much was she left with after spending on the candies?
[Answer]She spent 4 x $1.50 = $6 for the lollipops. She also spent 2 x $2 = $4 for the gummies. Therefore, Chastity was left with $15 - $10 = $5. The answer is 5.
Q: Billy ate 20 apples this week. On Monday, he ate 2 apples. On Tuesday, he ate twice as many as he ate the day before. He’s not sure what he ate on Wednesday. On Thursday, he ate four times as many as he ate on Friday. On Friday, he ate half of the amount he ate on Monday. How many apples did he eat on Wednesday?
A: On Tuesday, Billy ate 2 * 2 = 4 apples. On Friday, he ate 2 * 0.5 = 1 apple. On Thursday, he ate 4 * 1 = 4 apples. So for Monday, Tuesday, Thursday, and Friday, Billy ate a total of 2 + 4 + 4 + 1 = 11 apples. This means that on Wednesday, he must have eaten 20 – 11 = 9 apples. The answer is 9.
Question: Monica was saving money for her future. Every week he put $15 into her moneybox. After the moneybox got full, which took 60 weeks, Monica took all the money out and took it to the bank, and she started saving money again. She repeated this whole process 5 times. How much money did Monica take to the bank in total?
Answer: During 60 weeks, Monica collected 15 * 60 = $900. She repeated this process 5 times, which means in total she collected 5 * 900 = $4500. The answer is 4500.
[Question]Jim’s bi-weekly gross pay is $1120. He automatically has 25% of his paycheck go into his retirement account. They also take $100.00 out of each paycheck for taxes. After money is taken out for retirement and taxes, how much money will be on Jim’s paycheck?
[Answer]He has 25% of his take - home pay automatically enrolled into his 401k so that’s .25 * 1120 = $280.00. His take - home pay is $1120.00 and $280.00 is taken out for retirement so that leaves 1120 - 280 = $840.00. They also take $100.00 out of his paycheck for taxes so his paycheck will be issued for 840 - 100 = $740.00. The answer is 740.
Q: Brittany got a 78 on her first test. After her second test, her average rose to an 81. What grade did she get on her second test?
A: First multiply her average grade by the number of tests she took to find the total number of points she scored: 81 points * 2 = 162 points. Then subtract the number of points she scored on her first exam to find how many points she scored on her second exam: 162 points - 78 points = 84 points. The answer is 84.
Question: Helen cuts her lawn starting in March and finishes in October. Her lawn mower uses 2 gallons of gas every 4th time she cuts her lawn. For March, April, September and October, she only cuts her law 2 times per month. In May, June, July and August, she has to cut her lawn 4 times per month. How many gallons of gas will she need to cut her lawn from March through October?
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.
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For March, April, September and October, she cuts her lawn 2 a month. There are 4 months so she cuts her yard 2 * 4 = 8 times. For May, June, July and August, she cuts her lawn 4 times a month. There are 4 months so she cuts her yard 4 * 4 = 16 times. During the entire 8 month period, she cuts her lawn 8 + 16 = 24 times. Every 4th time she cuts, she needs 2 gallons of gas. If she cuts her lawn 24 times a year then she needs to fill up 24 / 4 = 6 times. Each time she fills up, it takes 2 gallons of gas so 2 * 6 = 12 gallons of gas per year. The answer is 12.