The line graph shows the number of dresses sold by a shop from June to November in 2016.
- What was the average number of dresses sold per month from June to November in 2016?
- The total number of dresses sold for the same period from June to November in 2015 was 768. Find the percentage decrease in the total number of dresses sold for the same period from 2015 to 2016
(a)
Total dresses sold from June to November in 2016
= 44 + 84 + 78 + 43 + 62 + 73
= 384
Average dresses sold from June to November in 2016
= 384 ÷ 6
= 64
(b)
Decrease in the number of dresses sold
= 768 - 384
= 384
Percentage decrease in the total number of dresses sold from 2015 to 2016
=
384768 x 100%
=
12x 100%
= 50%
Answer(s): (a) 64; (b) 50%