If 4 copiers can process 400 sheets of paper in 4 hours,
how long does it take 8 copiers to process 800 sheets?
Name *
8 hours
i like it. it is useful for our studies. and it is easy and fun to learn .we are thanking to this director
8 hours
i like it. it is useful for our studies. and it is easy and fun to learn .we are thanking to this director