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Mathematics 11 Online
OpenStudy (anonymous):

You can wash 3 windows in 8 minutes. Your sister can wash 2 windows in 7 minutes. How many

OpenStudy (anonymous):

How many ... what .... hahaha. Sometimes a question is ended because of running out battery

OpenStudy (anonymous):

oh sorry my computers messed up

OpenStudy (anonymous):

How many minutes will it take to wash 1 window if you work together.!

OpenStudy (anonymous):

plzz help me with this question!!!

OpenStudy (anonymous):

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