Question
The line graph shows the number of jackets sold by a shop from July to December in 2011.


  1. What was the average number of jackets sold per month from July to December in 2011?
  2. The total number of jackets sold for the same period from July to December in 2010 was 640. Find the percentage decrease in the total number of jackets sold for the same period from 2010 to 2011
3 m
(a)

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(b)

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The line graph shows the number of jackets sold by a shop from July to December in 2011.


  1. What was the average number of jackets sold per month from July to December in 2011?
  2. The total number of jackets sold for the same period from July to December in 2010 was 640. Find the percentage decrease in the total number of jackets sold for the same period from 2010 to 2011