Question
The bookshop sells 4 different coloured markers. The line graph shows the number of markers sold for each colour in a week.
  1. What was the difference between the number of red and green markers sold?
  2. Each black marker cost $0.30 more than each purple marker. The bookshop collected $81 from selling the purple markers. What was the price of 1 black marker?
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 markers. The line graph shows the number of markers sold for each colour in a week.
  1. What was the difference between the number of red and green markers sold?
  2. Each black marker cost $0.30 more than each purple marker. The bookshop collected $81 from selling the purple markers. What was the price of 1 black marker?