The line graph shows the total number of used notebooks sold by a dealer in the first six months of the year.
- In which two months were there a consecutive increase in the number of notebooks sold? Give the answer in short form. (Eg Jan, Feb)
- What fraction of the notebooks was sold in the month of the lowest sale?
- The dealer was paid a fixed amount of money for every notebook he sold. He received $2400 more in April than in February. How much money did he receive from selling a notebook?
(a)
There was a consecutive increase in the number of notebooks sold in March and April.
(b)
Total number of notebooks
= 30 + 9 + 22 + 23 + 20 + 22
= 126
Number of notebooks sold in February = 9
Fraction of the notebooks sold in the month of the lowest sale
=
9126 =
114 (c)
Number of more notebooks sold in April than in February
= 23 - 9
= 14
14 u = 2400
1 u = 2400 ÷ 14 = 2000
Amount earned from selling a notebook = $2000
Answer(s): (a) Mar, Apr or Apr, Mar; (b)
114; (c) $2000