Mr Loo used two printers with different printing rates for a printing job. He started Printer J at 19 02 and started Printer K two minutes later. He stopped both copiers at 19 07. 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 J at the time Mr Loo started Printer K?
- What was the difference in the number of pages printed by the two copiers from 19 02 to 19 07?
- Which printer, J or K, 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)