Mr Ng used two printers with different printing rates for a printing job. He started Printer V at 11 37 and started Printer W one minute later. He stopped both machines at 11 42. 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 V at the time Mr Ng started Printer W?
- What was the difference in the number of pages printed by the two machines from 11 37 to 11 42?
- Which printer, V or W, 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)