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 green 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 |
Green |
$1.60 |
Purple |
$2.10 |
Pink |
$1.70 |
Blue |
$1.70 |
(a)
Total number of notebooks
= 90 + 90 + 60 + 30
= 270
Fraction of notebooks that are green
=
90270 =
13 (b)
Amount collected from the sale of the green notebooks
= 90 x 1.60
= $144
Amount collected from the sale of the
purple notebooks
= 90 x 2.10
= $189
(Most) Amount collected from the sale of the pink notebooks
= 60 x 1.70
= $102
Amount collected from the sale of the blue notebooks
= 30 x 1.70
= $51
Amount collected from the sale of the
purple notebooks
P is the most.
(c)
Amount spent on the purple notebooks = $189
Answer(s): (a)
13; (b) P; (c) $189