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Mathematics, 11.12.2020 07:50 genyjoannerubiera

Mr. Koger is making copies of the school literary magazine to distribute to students and faculty. He has access to two copy machines: an older machine and a new machine. If he used only the older machine, it would take 80 minutes longer than if he used only the new machine. If he used both machines, he would finish the job in 30 minutes.

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Mr. Koger is making copies of the school literary magazine to distribute to students and faculty. He...
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