Question

Casey 的手工课正在制作一个高尔夫奖杯。他需要给一个高尔夫球上的 $300$ 个凹点上色。如果给一个凹点上色需要 $2$ 秒，他需要多少分钟完成这项工作？

Casey's shop class is making a golf trophy. He has to paint $300$ dimples on a golf ball. If it takes him $2$ seconds to paint one dimple, how many minutes will he need to do his job?

$4$

$6$

$8$

$10$

$12$

答案：D

知识点：速率单位换算

难度评级：370

解答：

Casey 完成工作需要 $2\cdot300=600$ 秒。因为 $60$ 秒等于一分钟，所以这是 $600\div60=10$ 分钟。

所以正确答案是 D。

It will take Casey $2\cdot300=600$ seconds to do the job. Since $60$ seconds make one minute, this is $600\div60=10$ minutes.

Thus, D is the correct answer.

2001 AMC 8 第 1 题

答案：D

难度评级：370

解答：

其他年份的第 1 题