Tom decides to lease a car. He drives 50 miles on Monday, Wednesday, and Friday, and Sunday for the rest of the days he drives 100 miles. He has to pay $.1 per mile he drives. He also has to pay a weekly fee of $100. How much does he have to pay in a year. Let's think first. Chain of thought:
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He does the long drive 7 - 4 = 3 days a week. So he drives a total of 4 * 50 + 3 * 100 = 500 miles a week. That means the car cost 500 * .1 = $50 just for the mileage per week. So he pays 100 + 50 = $150 per week for the car. That means the total cost of the car is 150 * 52 = $7800 a year.
Therefore, the answer is 7800.
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