Mr Lin used two printers with different printing rates for a printing job. He started Printer D at 13 40 and started Printer E two minutes later. He stopped both copiers at 13 45. 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 D at the time Mr Lin started Printer E?
- What was the difference in the number of pages printed by the two copiers from 13 40 to 13 45?
- Which printer, D or E, 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)