PSLE The bar graph shows the number of post-it-pads sold by a shop. The table shows the prices of the post-it-pads.
- What fraction of the post-it-pads sold were yellow post-it-pads? Give the answer in the simplest form.
- From the sale of the post-it-pads, which post-it-pads collected the least amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of post-it-pads |
Price per post-it-pad |
Green |
$2.10 |
Pink |
$2.20 |
Yellow |
$1.60 |
Blue |
$1.20 |
(a)
Total number of post-it-pads
= 80 + 80 + 60 + 40
= 260
Fraction of post-it-pads that are yellow
=
60260 =
313 (b)
Amount collected from the sale of the green post-it-pads
= 80 x 2.10
= $168
Amount collected from the sale of the pink post-it-pads
= 80 x 2.20
= $176
Amount collected from the sale of the yellow post-it-pads
= 60 x 1.60
= $96
Amount collected from the sale of the
blue post-it-pads
= 40 x 1.20
= $48
(Least) Amount collected from the sale of the
blue post-it-pads
B is the least.
(c)
Amount spent on the blue post-it-pads = $48
Answer(s): (a)
313; (b) B; (c) $48