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 $7000 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
= 8 + 2 + 5 + 18 + 16 + 5
= 54
Number of lorries sold in February = 2
Fraction of the lorries sold in the month of the lowest sale
=
254 =
127 (c)
Number of more lorries sold in April than in February
= 18 - 2
= 16
16 u = 7000
1 u = 7000 ÷ 16 = 500
Amount earned from selling a lorry = $500
Answer(s): (a) Mar, Apr or Apr, Mar; (b)
127; (c) $500