Step-by-step reasoning process: 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.
[Q & A] The question is 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?
The answer is 4100

Step-by-step reasoning process: Tina has 12 - 9 = 3 green pens. Tina has 3 + 3 = 6 blue pens. In total Tina has 12 + 3 + 6 = 21 pens.
[Q & A] The question is Tina has 12 pink pens. She has 9 fewer green pens than pink pens. Tina has 3 more blue pens than green pens. How many pens does Tina have in total?
The answer is 21

Step-by-step reasoning process: The total cost of the paintbrush, the paints, and the easel was $2.40 + $9.20 + $6.50 = $18.10. Rose needs $18.10 - $7.10 = $11 more.
[Q & A] The question is Rose is an aspiring artist. She wants a paintbrush that costs $2.40, a set of paints that costs $9.20, and an easel that costs $6.50 so she can do some paintings. Rose already has $7.10. How much more money does Rose need?
The answer is 11

Step-by-step reasoning process: Since each student needs 10 cups of water per day and there are 200 students, the custodian has to provide 200 * 10 = 2000 cups of water. A jug of water needs 40 cups to be full, so 2000 cups of water will fill 2000 / 40 = 50 jugs.
[Q & 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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The question is A jug needs 40 cups of water to be full. A custodian at Truman Elementary School has to fill water jugs for 200 students, who drink 10 cups of water in a day. How many water jugs will the custodian fill with cups of water to provide the students with all the water they need in a day?
The answer is 50