Mr Oh used two printers with different printing rates for a printing job. He started Printer Y at 13 42 and started Printer Z one minute later. He stopped both machines at 13 47. 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 Oh started Printer Z?
- What was the difference in the number of pages printed by the two machines from 13 42 to 13 47?
- 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)