If it takes Daniel 9 hours to clean an office building and it tak

您还没有登录，登录以后才可以查看答疑和进行提问。

试题详情

If it takes Daniel 9 hours to clean an office building and it takes Mark 6 hours, how long would it take the two of them, working together, to clean the building?

A、3 hours
B、3 hours 36 minutes
C、4 hours 45 minutes
D、6 hours
E、7 hours 30 minutes

答案：B

专业教师答疑

最新

提问

还没有人问到这里。

问个问题

答疑小程序

最热提问

Quantitative Comparison
The radius of circle M is less than the diameter o......
Reading Comprehension
the primary purpose of the passage is to......
Sentence Equivalence
The company is so old-fashioned and opposed to inn......
Text Completion
The benefits offered by information technology do ......
Text Completion
Even those observes who are the most _____ about g......
Text Completion
Room acoustics design criteria are determined acco......
Reading Comprehension
Which of the following can be inferred from the pa......
Sentence Equivalence
Even in this business, where_____is part. of every......

试题详情

专业教师答疑 最新 提问

问个问题

答疑小程序

最热提问

专业教师答疑

最新

提问