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 orange 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 |
$1.70 |
Yellow |
$1.90 |
Orange |
$1.80 |
Pink |
$1.10 |
(a)
Total number of post-it-pads
= 70 + 100 + 100 + 50
= 320
Fraction of post-it-pads that are orange
=
100320 =
516 (b)
Amount collected from the sale of the purple post-it-pads
= 70 x 1.70
= $119
Amount collected from the sale of the yellow post-it-pads
= 100 x 1.90
= $190
Amount collected from the sale of the orange post-it-pads
= 100 x 1.80
= $180
Amount collected from the sale of the
pink post-it-pads
= 50 x 1.10
= $55
(Least) Amount collected from the sale of the
pink post-it-pads
P is the least.
(c)
Amount spent on the pink post-it-pads = $55
Answer(s): (a)
516; (b) P; (c) $55