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 pink 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 |
Purple |
$1.60 |
Blue |
$2.20 |
Pink |
$1.70 |
Yellow |
$1.10 |
(a)
Total number of notebooks
= 110 + 80 + 90 + 80
= 360
Fraction of notebooks that are pink
=
90360 =
14 (b)
Amount collected from the sale of the purple notebooks
= 110 x 1.60
= $176
Amount collected from the sale of the blue notebooks
= 80 x 2.20
= $176
Amount collected from the sale of the pink notebooks
= 90 x 1.70
= $153
Amount collected from the sale of the
yellow notebooks
= 80 x 1.10
= $88
(Least) Amount collected from the sale of the
yellow notebooks
Y is the least.
(c)
Amount spent on the yellow notebooks = $88
Answer(s): (a)
14; (b) Y; (c) $88