Reasoning and answer: The roses cost 150 * 20 = $3000. The gardener works 4 * 5 = 20 hours. So the gardener charges 30 * 20 = $600. The soil added another 5 * 100 = $500. So in total the cost was 3000 + 600 + 500 = $4100.
The answer: 4100
What was the question?
Question: Bob has to hire someone to fix his garden. A storm destroyed all 20 of his rose bushes. He decides to replant all the rose bushes. Each rose bush costs $150. He also needs to pay a gardener $30 an hour, 5 hours each day for 4 days. The final expense is 100 cubic feet of soil sold for $5 per cubic foot. How much did the entire gardening project cost?


First, the 144 acres of grass will be eaten according to the equation 5 * 2 * T + 8 * 1 * T = 144. Solving this equation for T, we find 18 * T = 144, or T = 8 months of food are covered by the animals grazing on the rancher's pasture. This means the farmer must buy feed corn for the remaining 12 - 8 = 4 months. Next, the rancher's 8 sheep will require 4 / 2 = 2 bags of feed corn each, or 8 * 2 = 16 bags of feed corn in total for the 4 month period. The rancher's 5 cows will require 4 / 1 = 4 bags of feed corn each, or 5 * 4 = 20 bags of feed corn in total for the month. Therefore, the rancher needs 16 + 20 = 36 bags of feed corn for all of his animals. So, the rancher will need to spend 36 * 10 = $360 per year on feed corn.
The answer: 360
Reverse engineering the question: A rancher owns a mixture of 8 sheep and 5 cattle that graze on his land. In a typical year, the rancher will allow his animals to feed off his pastures for as long as possible before they run out of grass. After the pastures run out of grass, he must buy feed corn for $10 per bag. Each cow eats 2 acres of grass per month, and each sheep eats 1 acre of grass per month. Additionally, a bag of feed corn can feed each cow for 1 month and each sheep for 2 months.  If the rancher's pasture contains 144 acres of grass, how much will the rancher need to spend on feed corn to feed his animals each year?


Reasoning and answer: He bought 6 - 2 = 4 rose bushes for himself. The rose bushes for himself cost 4 * $75 = $300. He also spent 2 * $100 = $200 on aloes. He spent a total of $200 + $300 = $500.
The answer: 500
What was the question?
Question: Mike buys 6 rose bushes at 75 dollars each, 2 of them are for his friend and the rest are for him. He also buys 2 tiger tooth aloes for 100 dollars each. How much money did he spend on plants for himself?


She caught 8 pounds of catfish because 4 x 2 = 8. She caught 4.5 pounds of catfish because 3 x 1.5 = 4.5. She caught 7.5 pounds of bluegill because 5 x 2.5 = 12.5. She caught 20 pounds of fish because 8 + 4.5 + 12.5 = 25.
The answer: 25
Reverse engineering the question: Emily goes fishing and has a very busy day. She catches 4 trout, 3 catfish, and 5 bluegills. If the trout weigh 2 pounds each, the catfish weigh 1.5 pounds each, and the bluegills weigh 2.5 pounds each, how many total pounds of fish did she catch?


Reasoning and answer: The chickens cost $80 because 4 x 20 = 80. His chickens produce a dozen eggs a week because 4 x 3 = 12. Each week that he has chickens is $1 cheaper than buying eggs because 2 - 1 = 1. After 80 weeks his chickens will be paid off because 80 / 1 = 80. After 81 weeks the chickens will be cheaper than buying eggs because 80 + 1 = 81.
The answer: 81
What was the question?
Question: Roberto is raising chickens for eggs. He buys 4 chickens for $20 each. They cost $1 in total a week to feed and each produces 3 eggs a week that will last forever. He used to buy 1 dozen eggs a week and spent $2 per dozen. After how many weeks will the chickens be cheaper than buying his eggs?


Reasoning and answer: He now buys 4 / 2 = 2 coffees. The new price is 2 * .5 = $1 more than the old price. So he now pays 2 + 1 = $3 per coffee. So he spends 3 * 2 = $6. He used to spend 4 * 2 = $8. So he saves 8 - 6 = $2 per day.
The answer: 2
What was the question?
Question:

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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John used to buy 4 coffees a day for $2 each. They raised the price by 50% so he cut the number of coffees he drinks in half. How much money does he save per day compared to what he used to spend?