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 $4900 more in April than in February. How much money did he receive from selling a lorry?
(a)
There was a consecutive increase in the number of lorries sold in March and April.
(b)
Total number of lorries
= 19 + 9 + 19 + 26 + 25 + 19
= 117
Number of lorries sold in February = 9
Fraction of the lorries sold in the month of the lowest sale
=
9117 =
113 (c)
Number of more lorries sold in April than in February
= 26 - 9
= 17
17 u = 4900
1 u = 4900 ÷ 17 = 1600
Amount earned from selling a lorry = $1600
Answer(s): (a) Mar, Apr or Apr, Mar; (b)
113; (c) $1600