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Mathematics 10 Online
OpenStudy (anonymous):

One printer can produce a box of invitations in 45 minutes. Another printer can do the same set of invitations in 30 minutes. How fast can a box of invitations be printed if both machines work simultaneously?

OpenStudy (anonymous):

one sec

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

one and a half every 45 mins you might want to check but i think that is right\

OpenStudy (anonymous):

ok thanks so much :D

OpenStudy (anonymous):

trust me i know how it is to need help bad and not get it

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