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问答题
Room prices are regularly $100, but for each additional room rented by a group, the price is reduced by $3 for each room. For example, 1 room costs $100, 2 rooms cost 2× $97 = $194, 3 rooms cost 3 ×$94 = $282, and so on. What is the total cost of renting 6 rooms?
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参考解析
解析:
由题干中的例子类推可知租六间房子的房租为6×[100-3×(6-1)] = 510。
由题干中的例子类推可知租六间房子的房租为6×[100-3×(6-1)] = 510。
更多 “问答题Room prices are regularly $100, but for each additional room rented by a group, the price is reduced by $3 for each room. For example, 1 room costs $100, 2 rooms cost 2× $97 = $194, 3 rooms cost 3 ×$94 = $282, and so on. What is the total cost of renting 6 rooms?” 相关考题
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