The bar graph shows the number of files sold by a bookstore on a Sunday.
- Which coloured file did the bookstore collect the most money from the sale? Give your answer in number. (Eg 1)
- What was the amount of money collected from (a)?
| Colour of file |
Price per file |
| (1) Silver |
$1.20 |
| (2) Blue |
$2.20 |
| (3) Green |
$0.20 |
| (4) Purple |
$1.80 |
(a)
Number of files sold
(1) Purple files: 33
(2) Green files: 21
(3) Blue files: 50
(4) Silver files: 37
(1) Amount collected from sale of purple files
= 33 x 1.80
= $59.40
(2) Amount collected from sale of green files
= 21 x 0.20
= $4.20
(3) Amount collected from sale of blue files
= 50 x 2.20
= $110
(4) Amount collected from sale of silver files
= 37 x 1.20
= $44.40
Coloured file that the bookstore collected the most money from the sale
= Blue
= 3
(b)
Amount that was collected from the sale of the blue files = $110
Answer(s): (a) 3; (b) $110
