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Mathematics, 19.12.2019 14:31 deandrehudson18
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 choices is the most reasonable value for t?
a.
3 hours
b.
1 hour
c.
30 hours
d.
20 hours
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Answers: 1
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