The bookshop sells 4 different coloured papers. The line graph shows the number of papers sold for each colour in a week.
- What was the difference between the number of purple and green papers sold?
- Each brown paper cost $0.50 more than each silver paper. The bookshop collected $56 from selling the silver papers. What was the price of 1 brown paper?
(a)
Difference between number of purple and green papers sold
= 60 - 54
= 6
(b)
Number of silver papers sold = 80
Price of 1 silver paper
= 56 ÷ 80
= $0.70
Price of 1 brown paper
= 0.70 + 0.50
= $1.20
Answer(s): (a) 6; (b) $1.20