2020 AMC 8 第 11 题
先试着解答 2020 AMC 8 第 11 题，然后核对你的答案与视频与精心整理的解答，解答来自 LIVE by Po-Shen Loh。你也可以参加完整限时模拟考试、查看全部 2020 AMC 8 解答，或核对答案。
所有题目均经美国数学协会（MAA）官方合法授权使用。
11.
放学后，玛雅和娜奥米前往 英里外的海滩。玛雅骑自行车，娜奥米乘公交车。下图显示了她们的行程，标出了时间和行进距离。娜奥米和玛雅的平均速度相差多少英里每小时？
After school, Maya and Naomi headed to the beach, miles away. Maya decided to bike while Naomi took a bus. The graph below shows their journeys, indicating the time and distance traveled. What was the difference, in miles per hour, between Naomi’s and Maya’s average speeds?
小提示：
从图中读出每个人走完 英里所用时间
Read each person’s time to travel miles
大提示：
把 分钟和 分钟换算成小时
Convert minutes and minutes to hours
视频讲解：
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文字解答：
娜奥米用 分钟走完 英里，平均速度为 英里每小时。
玛雅用 分钟走完 英里，平均速度为 英里每小时。
差为 。
正确答案是 E。
Naomi traveled miles in minutes, so her average speed was miles per hour.
Maya traveled miles in minutes, so her average speed was miles per hour.
This difference is
Thus, the correct answer is E.
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