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 $30400 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
= 5 + 14 + 4 + 14 +24 + 23
= 84
Number of lorries sold in March = 4
Fraction of the lorries sold in the month of the lowest sale
=
484 =
121 (c)
Number of more lorries in June than in March
= 23 - 4
= 19
19 u = 30400
1 u = 30400 ÷ 19 = 1600
Amount earned from selling a lorry = $1600
Answer(s): (a) Apr, May or May, Apr; (b)
121; (c) $1600