Question
The bookshop sells 4 different coloured envelopes. The line graph shows the number of envelopes sold for each colour in a week.
  1. What was the difference between the number of black and grey envelopes sold?
  2. Each blue envelope cost $0.10 more than each red envelope. The bookshop collected $60 from selling the red envelopes. What was the price of 1 blue envelope?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The bookshop sells 4 different coloured envelopes. The line graph shows the number of envelopes sold for each colour in a week.
  1. What was the difference between the number of black and grey envelopes sold?
  2. Each blue envelope cost $0.10 more than each red envelope. The bookshop collected $60 from selling the red envelopes. What was the price of 1 blue envelope?