Mr Lu used two printers with different printing rates for a printing job. He started Printer X at 14 01 and started Printer Y two minutes later. He stopped both copiers at 14 06. The graphs show the total number of pages printed by each printer from the start of printing.
- How many pages had been printed by Printer X at the time Mr Lu started Printer Y?
- What was the difference in the number of pages printed by the two copiers from 14 01 to 14 06?
- Which printer, X or Y, has a faster printing rate? What is the difference in the number of pages printed by the copiers in one minute? Give your answer in this format. (Eg A, 1)