1988 AMC 12 第 7 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
7.
估算通过一条通信信道发送 个数据块所需的时间。每个数据块由 个“数据片”组成，信道每秒可传输 个数据片。
Estimate the time it takes to send blocks of data over a communications channel if each block consists of “chunks” and the channel can transmit chunks per second.
秒
seconds
秒
seconds
秒
seconds
分钟
minutes
小时
hours
答案：D
小提示：
先计算数据片的总数
Compute the total number of chunks first
大提示：
将所得秒数换算成分钟
Convert the resulting number of seconds to minutes
解答：
传输所需时间为 秒，略多于 分钟。
所以正确答案是 D。
The transmission takes seconds, which is a little over minutes.
Thus the correct answer is D.
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