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 $16000 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
= 8 + 13 + 4 + 13 +30 + 24
= 92
Number of lorries sold in March = 4
Fraction of the lorries sold in the month of the lowest sale
=
492 =
123 (c)
Number of more lorries in June than in March
= 24 - 4
= 20
20 u = 16000
1 u = 16000 ÷ 20 = 800
Amount earned from selling a lorry = $800
Answer(s): (a) Apr, May or May, Apr; (b)
123; (c) $800