![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 01.09.2021 18:00, tfhdg
Question 2 of 8
It takes 12 hours to clean the windows of a certain office building. During the
first day of cleaning, the workers were able to clean for 9 hours. If the variable
t stands for the amount of time the workers have left to clean the windows,
which of the following units could apply to this variable?
O A. windows
B. buildings
C. workers
D. hours
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Question 2 of 8
It takes 12 hours to clean the windows of a certain office building. During the
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