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 $6600 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
= 22 + 3 + 12 + 30 + 23 + 12
= 102
Number of lorries sold in February = 3
Fraction of the lorries sold in the month of the lowest sale
=
3102 =
134 (c)
Number of more lorries sold in April than in February
= 30 - 3
= 27
27 u = 6600
1 u = 6600 ÷ 27 = 1100
Amount earned from selling a lorry = $1100
Answer(s): (a) Mar, Apr or Apr, Mar; (b)
134; (c) $1100