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 most 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 |
Yellow |
$1.70 |
Blue |
$1.60 |
Pink |
$1.70 |
Purple |
$1.60 |
(a)
Total number of post-it-pads
= 90 + 100 + 20 + 30
= 240
Fraction of post-it-pads that are yellow
=
90240 =
38 (b)
Amount collected from the sale of the yellow post-it-pads
= 90 x 1.70
= $153
Amount collected from the sale of the
blue post-it-pads
= 100 x 1.60
= $160
(Most) Amount collected from the sale of the pink post-it-pads
= 20 x 1.70
= $34
Amount collected from the sale of the purple post-it-pads
= 30 x 1.60
= $48
Amount collected from the sale of the
blue post-it-pads
B is the most.
(c)
Amount spent on the blue post-it-pads = $160
Answer(s): (a)
38; (b) B; (c) $160