Mr Cheong used two printers with different printing rates for a printing job. He started Printer Y at 11 28 and started Printer Z one minute later. He stopped both machines at 11 33. 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 Y at the time Mr Cheong started Printer Z?
- What was the difference in the number of pages printed by the two machines from 11 28 to 11 33?
- Which printer, Y or Z, has a slower 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)