Mr Yap used two printers with different printing rates for a printing job. He started Printer R at 16 18 and started Printer S two minutes later. He stopped both copiers at 16 23. 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 Yap started Printer S?
- What was the difference in the number of pages printed by the two copiers from 16 18 to 16 23?
- Which printer, R or S, has a slower 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)