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 |
Purple |
$2.10 |
Yellow |
$2.30 |
Blue |
$1.80 |
Green |
$1.90 |
(a)
Total number of post-it-pads
= 80 + 100 + 20 + 50
= 250
Fraction of post-it-pads that are yellow
=
100250 =
25 (b)
Amount collected from the sale of the purple post-it-pads
= 80 x 2.10
= $168
Amount collected from the sale of the yellow post-it-pads
= 100 x 2.30
= $230
Amount collected from the sale of the
blue post-it-pads
= 20 x 1.80
= $36
(Least) Amount collected from the sale of the green post-it-pads
= 50 x 1.90
= $95
Amount collected from the sale of the
blue post-it-pads
B is the least.
(c)
Amount spent on the blue post-it-pads = $36
Answer(s): (a)
25; (b) B; (c) $36