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 $1500 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
= 7 + 25 + 29 + 6 + 28 + 25
= 120
Number of lorries sold in April = 6
Fraction of the lorries sold in the month of the lowest sale
=
6120 =
120 (c)
Number of more lorries sold in May than in June
= 28 - 25
= 3
3 u = 1500
1 u = 1500 ÷ 3 = 500
Amount earned from selling a lorry = $500
Answer(s): (a) Feb, Mar or Mar, Feb; (b)
120; (c) $500