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 $3800 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
= 6 + 4 + 18 + 27 + 5 + 18
= 78
Number of notebooks sold in February = 4
Fraction of the notebooks sold in the month of the lowest sale
=
478 =
239 (c)
Number of more notebooks sold in April than in February
= 27 - 4
= 23
23 u = 3800
1 u = 3800 ÷ 23 = 1000
Amount earned from selling a notebook = $1000
Answer(s): (a) Mar, Apr or Apr, Mar; (b)
239; (c) $1000