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 $6000 more in June than in March. How much money did he receive from selling a lorry?
(a)
There was a consecutive increase in the number of lorries sold in April and May.
(b)
Total number of lorries
= 7 + 9 + 3 + 9 +29 + 15
= 72
Number of lorries sold in March = 3
Fraction of the lorries sold in the month of the lowest sale
=
372 =
124 (c)
Number of more lorries in June than in March
= 15 - 3
= 12
12 u = 6000
1 u = 6000 ÷ 12 = 500
Amount earned from selling a lorry = $500
Answer(s): (a) Apr, May or May, Apr; (b)
124; (c) $500