My question is: The cost of filling a car fuel tank is $45, and this can take you 500 miles before refilling. Mallory was going to her grammy's house, 2000 miles away. If she used 3/5 times as much money on food as she spent on filling the car fuel tank for the whole journey, calculate the total amount of money she used. Your thoughts:
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If Mallory gammy's house is 2000 miles away and she has to refill the fuel tank every 500 miles, she filled the tank 2000 / 500 = 4 times. If each refill costs $45, the total amount of money she used on refilling the tank is $45 * 4 = $180. The food cost was 3 / 5 times as much as the fuel costs, which is 3 / 5 * $180 = $108. On the whole journey, Mallory expenses on fuel and food costs are $108 + $180 = $288. The final answer: 288.
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