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 purple rulers? Give the answer in the simplest form.
- From the sale of the rulers, which rulers collected the most amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of rulers |
Price per ruler |
Yellow |
$2.10 |
Blue |
$1.80 |
Pink |
$1.70 |
Purple |
$1.50 |
(a)
Total number of rulers
= 120 + 70 + 90 + 70
= 350
Fraction of rulers that are purple
=
70350 =
15 (b)
Amount collected from the sale of the
yellow rulers
= 120 x 2.10
= $252
(Most) Amount collected from the sale of the blue rulers
= 70 x 1.80
= $126
Amount collected from the sale of the pink rulers
= 90 x 1.70
= $153
Amount collected from the sale of the purple rulers
= 70 x 1.50
= $105
Amount collected from the sale of the
yellow rulers
Y is the most.
(c)
Amount spent on the yellow rulers = $252
Answer(s): (a)
15; (b) Y; (c) $252