Mr Loh used two printers with different printing rates for a printing job. He started Printer P at 21 04 and started Printer Q two minutes later. He stopped both machines at 21 09. 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 P at the time Mr Loh started Printer Q?
- What was the difference in the number of pages printed by the two machines from 21 04 to 21 09?
- Which printer, P or Q, 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)