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 pink 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 |
$2.10 |
Pink |
$1.90 |
Orange |
$1.50 |
Yellow |
$1.70 |
(a)
Total number of notebooks
= 120 + 100 + 40 + 100
= 360
Fraction of notebooks that are pink
=
100360 =
518 (b)
Amount collected from the sale of the blue notebooks
= 120 x 2.10
= $252
Amount collected from the sale of the pink notebooks
= 100 x 1.90
= $190
Amount collected from the sale of the
orange notebooks
= 40 x 1.50
= $60
(Least) Amount collected from the sale of the yellow notebooks
= 100 x 1.70
= $170
Amount collected from the sale of the
orange notebooks
O is the least.
(c)
Amount spent on the orange notebooks = $60
Answer(s): (a)
518; (b) O; (c) $60