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Alchen [17]
3 years ago
12

One cooy machine can run off copies in 198 minutes. A newer machine can do the same job in 126 minutes. How long does it take th

e two​ machines, working​ together, to make all of the necessary​ copies?
Mathematics
1 answer:
yanalaym [24]3 years ago
4 0
This depends on the necessary number of copies.
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