Mr Lin used two printers with different printing rates for a printing job. He started Printer E at 15 01 and started Printer F two minutes later. He stopped both machines at 15 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 E at the time Mr Lin started Printer F?
- What was the difference in the number of pages printed by the two machines from 15 01 to 15 06?
- Which printer, E or F, has a faster printing rate? What is the difference in the number of pages printed by the machines in one minute? Give your answer in this format. (Eg A, 1)