PSLE The bar graph shows the number of notebooks sold by a shop. The table shows the prices of the notebooks.
- What fraction of the notebooks sold were yellow notebooks? Give the answer in the simplest form.
- From the sale of the notebooks, which notebooks collected the least amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of notebooks |
Price per notebook |
Pink |
$1.60 |
Yellow |
$1.90 |
Purple |
$1.90 |
Blue |
$2.10 |
(a)
Total number of notebooks
= 110 + 60 + 30 + 100
= 300
Fraction of notebooks that are yellow
=
60300 =
15 (b)
Amount collected from the sale of the pink notebooks
= 110 x 1.60
= $176
Amount collected from the sale of the yellow notebooks
= 60 x 1.90
= $114
Amount collected from the sale of the
purple notebooks
= 30 x 1.90
= $57
(Least) Amount collected from the sale of the blue notebooks
= 100 x 2.10
= $210
Amount collected from the sale of the
purple notebooks
P is the least.
(c)
Amount spent on the purple notebooks = $57
Answer(s): (a)
15; (b) P; (c) $57