Mr Sih used two printers with different printing rates for a printing job. He started Printer R at 20 01 and started Printer S three minutes later. He stopped both machines at 20 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 R at the time Mr Sih started Printer S?
- What was the difference in the number of pages printed by the two machines from 20 01 to 20 06?
- Which printer, R or S, 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)