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 blue 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 |
Blue |
$1.90 |
Orange |
$1.70 |
Pink |
$1.50 |
Green |
$1.40 |
(a)
Total number of notebooks
= 80 + 100 + 80 + 80
= 340
Fraction of notebooks that are blue
=
80340 =
417 (b)
Amount collected from the sale of the blue notebooks
= 80 x 1.90
= $152
Amount collected from the sale of the
orange notebooks
= 100 x 1.70
= $170
(Most) Amount collected from the sale of the pink notebooks
= 80 x 1.50
= $120
Amount collected from the sale of the green notebooks
= 80 x 1.40
= $112
Amount collected from the sale of the
orange notebooks
O is the most.
(c)
Amount spent on the orange notebooks = $170
Answer(s): (a)
417; (b) O; (c) $170