Question: Tom receives a $12 allowance per month. In the first week, he spends a third of it; in the second week, he spends a quarter of what he has left. How much money does he have left to finish the month?
Answer: Step-by-step reasoning process: The first week he spends: $12 * 1 / 3 = $4. So he has $12 - $4 = $8 left. In the second week, he spends $8 x 1 / 4 = $2. So Tom has $8 - $2 = $6 left to finish the month.
So the answer is 6.

Question: A store owner ordered 20 cases of bottles of soda in April and 30 cases in May. There are 20 bottles per case. How many bottles of soda did the store owner order in April and May?
Answer: Step-by-step reasoning process: The store owner ordered a total of 20 + 30 = 50 cases. This is equal to 50 x 20 = 1000 bottles of soda.
So the answer is 1000.

Question: Mark bought a shirt, pants, and shoes for $340. What is the price of the pants knowing that the price of a shirt is three-quarters of the price of the pants and that the price of a shoe is ten dollars more than the price of the pants?
Answer: Step-by-step reasoning process: Let X be the price of the pants. The price of the shirt is 3 / 4 * X. The price of the shoes is X + 10. The total amount paid is X + 3 / 4 * X + X + 10 = $340. Combining like terms we get X * 11 / 4 + 10 = $340. Subtracting 10 from both sides we get X * 11 / 4 = $330. Dividing both sides by 11 / 4 we get X = $120.
So the answer is 120.

Question: Renne earns $4000 per month and wants to save half of her monthly earnings to buy the vehicle of her dreams worth $16000. How many months of saving will it take her to buy the vehicle?
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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Step-by-step reasoning process: If she's saving half her salary every month, she saves 1 / 2 * $4000 = $2000 every month. If the vehicle is worth $16000, and she saves $2000 every month to buy it, she will have to save for 16000 / 2000 = 8 months.
So the answer is 8.