The bar graph shows the number of markers sold by a bookstore on a Sunday.
- Which coloured marker did the bookstore collect the least money from the sale? Give your answer in number. (Eg 1).
- What was the amount of money collected from (a)?
| Colour of marker |
Price per marker |
| (1) Grey |
$0.50 |
| (2) Pink |
$1.90 |
| (3) White |
$1.50 |
| (4) Blue |
$2.50 |
(a)
Number of markers sold
(1) Grey markers: 43
(2) Pink markers: 42
(3) White markers: 51
(4) Blue markers: 56
(1) Amount collected from sale of grey markers
= 43 x 0.50
= $21.50
(2) Amount collected from sale of pink markers
= 42 x 1.90
= $79.80
(3) Amount collected from sale of white markers
= 51 x 1.50
= $76.50
(4) Amount collected from sale of blue markers
= 56 x 2.50
= $140
Coloured marker that the bookstore collected the least money from the sale
= Grey
= 1
(b)
Amount that was collected from the sale of the grey markers = $21.50
Answer(s): (a) 1; (b) $21.50
