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2011 AMC8 · #1表达式与运算★☆☆☆☆
Margie bought 3 apples at a cost of 50 cents per apple. She paid with a 5-dollar bill. How much change did Margie receive?
Margie 买了 3 个苹果,每个 50 美分。她付了 5 美元,那么她应该找回多少零钱?
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