PSLE The bar graph shows the number of rulers sold by a shop. The table shows the prices of the rulers.
- What fraction of the rulers sold were green rulers? Give the answer in the simplest form.
- From the sale of the rulers, which rulers collected the least amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of rulers |
Price per ruler |
Purple |
$1.50 |
Pink |
$2.20 |
Green |
$1.50 |
Blue |
$1.50 |
(a)
Total number of rulers
= 110 + 70 + 80 + 20
= 280
Fraction of rulers that are green
=
80280 =
27 (b)
Amount collected from the sale of the purple rulers
= 110 x 1.50
= $165
Amount collected from the sale of the pink rulers
= 70 x 2.20
= $154
Amount collected from the sale of the green rulers
= 80 x 1.50
= $120
Amount collected from the sale of the
blue rulers
= 20 x 1.50
= $30
(Least) Amount collected from the sale of the
blue rulers
B is the least.
(c)
Amount spent on the blue rulers = $30
Answer(s): (a)
27; (b) B; (c) $30