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Mathematics, 06.05.2020 00:30 jdkrisdaimcc11
Each week, Mr Smith must make copies for his history class. When he uses both the Xerox and the Hewlett packard copiers, the copies take about 30 minutes. If the Xerox copies is broken the job takes about 50 minutes. How long will the job take if the Hewlett packard copier is broken?
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Each week, Mr Smith must make copies for his history class. When he uses both the Xerox and the Hewl...
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