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 orange 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 |
Pink |
$1.90 |
Green |
$1.40 |
Blue |
$1.30 |
Orange |
$1.80 |
(a)
Total number of notebooks
= 80 + 20 + 40 + 80
= 220
Fraction of notebooks that are orange
=
80220 =
411 (b)
Amount collected from the sale of the
pink notebooks
= 80 x 1.90
= $152
(Most) Amount collected from the sale of the green notebooks
= 20 x 1.40
= $28
Amount collected from the sale of the blue notebooks
= 40 x 1.30
= $52
Amount collected from the sale of the orange notebooks
= 80 x 1.80
= $144
Amount collected from the sale of the
pink notebooks
P is the most.
(c)
Amount spent on the pink notebooks = $152
Answer(s): (a)
411; (b) P; (c) $152