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 $5600 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
= 30 + 6 + 15 + 27 + 18 + 15
= 111
Number of lorries sold in February = 6
Fraction of the lorries sold in the month of the lowest sale
=
6111 =
237 (c)
Number of more lorries sold in April than in February
= 27 - 6
= 21
21 u = 5600
1 u = 5600 ÷ 21 = 1200
Amount earned from selling a lorry = $1200
Answer(s): (a) Mar, Apr or Apr, Mar; (b)
237; (c) $1200