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 purple notebooks? Give the answer in the simplest form.
- From the sale of the notebooks, which notebooks collected the most 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 |
$1.80 |
Yellow |
$1.90 |
Blue |
$1.70 |
Pink |
$1.40 |
(a)
Total number of notebooks
= 40 + 40 + 40 + 20
= 140
Fraction of notebooks that are purple
=
40140 =
27 (b)
Amount collected from the sale of the purple notebooks
= 40 x 1.80
= $72
Amount collected from the sale of the
yellow notebooks
= 40 x 1.90
= $76
(Most) Amount collected from the sale of the blue notebooks
= 40 x 1.70
= $68
Amount collected from the sale of the pink notebooks
= 20 x 1.40
= $28
Amount collected from the sale of the
yellow notebooks
Y is the most.
(c)
Amount spent on the yellow notebooks = $76
Answer(s): (a)
27; (b) Y; (c) $76