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 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 |
Blue |
$1.90 |
Purple |
$1.70 |
Pink |
$1.60 |
Green |
$1.70 |
(a)
Total number of notebooks
= 60 + 50 + 40 + 40
= 190
Fraction of notebooks that are purple
=
50190 =
519 (b)
Amount collected from the sale of the blue notebooks
= 60 x 1.90
= $114
Amount collected from the sale of the purple notebooks
= 50 x 1.70
= $85
Amount collected from the sale of the
pink notebooks
= 40 x 1.60
= $64
(Least) Amount collected from the sale of the green notebooks
= 40 x 1.70
= $68
Amount collected from the sale of the
pink notebooks
P is the least.
(c)
Amount spent on the pink notebooks = $64
Answer(s): (a)
519; (b) P; (c) $64