PSLE The bar graph shows the number of highlighters sold by a shop. The table shows the prices of the highlighters.
- What fraction of the highlighters sold were orange highlighters? Give the answer in the simplest form.
- From the sale of the highlighters, which highlighters collected the least amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of highlighters |
Price per highlighter |
Blue |
$2.20 |
Pink |
$1.80 |
Orange |
$1.60 |
Yellow |
$1.40 |
(a)
Total number of highlighters
= 110 + 90 + 100 + 80
= 380
Fraction of highlighters that are orange
=
100380 =
519 (b)
Amount collected from the sale of the blue highlighters
= 110 x 2.20
= $242
Amount collected from the sale of the pink highlighters
= 90 x 1.80
= $162
Amount collected from the sale of the orange highlighters
= 100 x 1.60
= $160
Amount collected from the sale of the
yellow highlighters
= 80 x 1.40
= $112
(Least) Amount collected from the sale of the
yellow highlighters
Y is the least.
(c)
Amount spent on the yellow highlighters = $112
Answer(s): (a)
519; (b) Y; (c) $112