It takes 5 people 5 hours to dig 5 holes.If we want to dig 100 holes in 100 hours.

分类: 作业答案 • 2022-01-09 18:05:15

问题描述：

It takes 5 people 5 hours to dig 5 holes.If we want to dig 100 holes in 100 hours.
How many people do we need?

答

挖洞速度不变,所以还是5个人.答：We need 5 people.