The line graph shows the total number of used lorries 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 lorries sold? Give the answer in short form. (Eg Jan, Feb)
- What fraction of the lorries was sold in the month of the lowest sale?
- The dealer was paid a fixed amount of money for every lorry he sold. He received $9600 more in May than in June. How much money did he receive from selling a lorry?
(a)
There was a consecutive increase in the number of lorries sold in February and March.
(b)
Total number of lorries
= 8 + 17 + 25 + 6 + 29 + 17
= 102
Number of lorries sold in April = 6
Fraction of the lorries sold in the month of the lowest sale
=
6102 =
117 (c)
Number of more lorries sold in May than in June
= 29 - 17
= 12
12 u = 9600
1 u = 9600 ÷ 12 = 800
Amount earned from selling a lorry = $800
Answer(s): (a) Feb, Mar or Mar, Feb; (b)
117; (c) $800