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 $32200 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
= 6 + 8 + 3 + 8 +30 + 26
= 81
Number of lorries sold in March = 3
Fraction of the lorries sold in the month of the lowest sale
=
381 =
127 (c)
Number of more lorries in June than in March
= 26 - 3
= 23
23 u = 32200
1 u = 32200 ÷ 23 = 1400
Amount earned from selling a lorry = $1400
Answer(s): (a) Apr, May or May, Apr; (b)
127; (c) $1400