Mr Tan used two printers with different printing rates for a printing job. He started Printer R at 16 38 and started Printer S two minutes later. He stopped both printers at 16 43. 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 Tan started Printer S?
- What was the difference in the number of pages printed by the two printers from 16 38 to 16 43?
- Which printer, R or S, has a slower printing rate? What is the difference in the number of pages printed by the printers in one minute? Give your answer in this format. (Eg A, 1)