The line graph shows the number of jackets sold by a shop from November to April in 2012.
- What was the average number of jackets sold per month from November to April in 2012?
- The total number of jackets sold for the same period from November to April in 2011 was 650. Find the percentage decrease in the total number of jackets sold for the same period from 2011 to 2012
(a)
Total jackets sold from November to April in 2012
= 80 + 23 + 82 + 23 + 37 + 67
= 312
Average jackets sold from November to April in 2012
= 312 ÷ 6
= 52
(b)
Decrease in the number of jackets sold
= 650 - 312
= 338
Percentage decrease in the total number of jackets sold from 2011 to 2012
=
338650 x 100%
=
1325x 100%
= 52%
Answer(s): (a) 52; (b) 52%