Mathematics, 06.11.2020 23:10 lilanth66
A person can copy final exams in 14 minutes using a new copy machine. Using an old copy machine, the same job takes 35 minutes. If both copy machines are used, how long will it take to copy the final exams?
Answers: 3
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A person can copy final exams in 14 minutes using a new copy machine. Using an old copy machine, the...
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