Mr Chong used two printers with different printing rates for a printing job. He started Printer Z at 18 02 and started Printer A two minutes later. He stopped both printers at 18 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 Z at the time Mr Chong started Printer A?
- What was the difference in the number of pages printed by the two printers from 18 02 to 18 07?
- Which printer, Z or A, has a faster printing rate? What is the difference in the number of pages printed by the printers in one minute? Give your answer in this format. (Eg A, 1)