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 pink 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 |
Blue |
$1.60 |
Pink |
$2.10 |
Purple |
$1.80 |
Yellow |
$2.10 |
(a)
Total number of post-it-pads
= 50 + 90 + 40 + 90
= 270
Fraction of post-it-pads that are pink
=
90270 =
13 (b)
Amount collected from the sale of the blue post-it-pads
= 50 x 1.60
= $80
Amount collected from the sale of the pink post-it-pads
= 90 x 2.10
= $189
Amount collected from the sale of the
purple post-it-pads
= 40 x 1.80
= $72
(Least) Amount collected from the sale of the yellow post-it-pads
= 90 x 2.10
= $189
Amount collected from the sale of the
purple post-it-pads
P is the least.
(c)
Amount spent on the purple post-it-pads = $72
Answer(s): (a)
13; (b) P; (c) $72