A-A+
A candy assortment consists of seven flavors o
问题详情
A candy assortment consists of seven flavors of chocolate-covered creams packed in two-layered boxes with 27 creams in each layer. The flavors are always packed in rows so that the flavor varies with each piece in the following order: vanilla, orange, cherry, vanilla raspberry, lime, pecan, cherry, lemon. How many chocolate-covered vanilla creams are needed to pack 200 boxes of the assortment？
A．600
B．1200
C．1800
D．2400
E．3600请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：一份包括7种口味的巧克力奶糖被装在双层盒子中，每层装27块奶糖。每行放置的奶糖块块口味不同且以如下口味顺序放置：vanilla，orange，cherry，vanilla，raspberry，lime，pecan，cherry，lemon。问200个糖果盒中需要装多少块vanilla口味的巧克力奶糖?解：本题的正确答案是(D)。糖果盒的每行9块糖中有2块是vanilla口味，每层有27÷9=3行，每个盒子中有2层糖，那么每个盒子中vanilla口味的奶糖有2×3×2=12块，所以两个盒子有共有vanilla口味的奶糖12×200=2400块。
