2009 AMC 8 第 3 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。

3.

图像显示 Suzanna 骑自行车的恒定速度。如果她以同样速度一共骑半小时,她会骑多少英里?

The graph shows the constant rate at which Suzanna rides her bike. If she rides a total of half an hour at the same speed, how many miles will she have ridden?

55

5.55.5

66

6.56.5

77

答案:C
知识点:速率数据与图表解读
难度评级:560
解答:

从图中可知,Suzanna 在 1515 分钟内骑了 33 英里。因此在 3030 分钟内,她会骑 66 英里。

所以正确答案是 C

From the graph, we can see that Suzanna rides 33 miles in 1515 minutes. This means that in 3030 minutes, she will have ridden 66 miles.

Thus, C is the correct answer.

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