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Algebra 13 Online
OpenStudy (anonymous):

You can wash 3 windows in 8 minutes. Your sister can wash 2 windows in 7 minutes. How many minutes will it take to wash 1 window if you work together?

OpenStudy (anonymous):

6 min

OpenStudy (anonymous):

you are just following the sequence line 3/8, 2/7, 1/x and see the sequence.

OpenStudy (anonymous):

my teacher said it was 1.5???

OpenStudy (anonymous):

Oh then idk ask her.

OpenStudy (anonymous):

I just need to show my work.

OpenStudy (anonymous):

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