Mr Ong used two printers with different printing rates for a printing job. He started Printer D at 19 04 and started Printer E two minutes later. He stopped both copiers at 19 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 D at the time Mr Ong started Printer E?
- What was the difference in the number of pages printed by the two copiers from 19 04 to 19 09?
- Which printer, D or E, has a faster 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)