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 $9000 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
= 6 + 19 + 30 + 4 + 28 + 19
= 106
Number of lorries sold in April = 4
Fraction of the lorries sold in the month of the lowest sale
=
4106 =
253 (c)
Number of more lorries sold in May than in June
= 28 - 19
= 9
9 u = 9000
1 u = 9000 ÷ 9 = 1000
Amount earned from selling a lorry = $1000
Answer(s): (a) Feb, Mar or Mar, Feb; (b)
253; (c) $1000