Question:
The pie chart below represents the number of paper cups used by a canteen vendor in 5 weeks.
(a) The number of paper cups used in the 5 weeks is also represented by the bar graph below. The bar that shows the number of paper cups used in Week 5 has not been drawn. Draw this bar in the bar graph below.
(b) What percentage of the paper cups was used in Week 1?
Give your answer correct to 2 decimal places.