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  3. On a highway there is an electric pole every 96 feet. If the poles are numbered

On a highway there is an electric pole every 96 feet. If the poles are numbered

游客2024-01-12  29
问题 On a highway there is an electric pole every 96 feet. If the poles are numbered consecutively, what is the number of the pole 2 miles past pole number 56? (1 mile=5, 280 feet)
选项 A、109
B、110
C、152
D、165
E、166
答案 E
解析 在一条高速公路上每隔96英尺有一根电线杆。若电线杆连续计数，问超过56号电线杆2英里远的电线杆的标号是多少?
解：本题的正确答案是(E)。由1 mile=5280 feet可知，2英里的长的公路中共有(5280×2)／96=110根电线杆，所以题目中所求的电线杆的标号是110+56=166。
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