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 blue 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 |
Blue |
$1.80 |
Purple |
$1.70 |
Orange |
$1.80 |
Yellow |
$1.50 |
(a)
Total number of rulers
= 50 + 70 + 40 + 20
= 180
Fraction of rulers that are blue
=
50180 =
518 (b)
Amount collected from the sale of the blue rulers
= 50 x 1.80
= $90
Amount collected from the sale of the
purple rulers
= 70 x 1.70
= $119
(Most) Amount collected from the sale of the orange rulers
= 40 x 1.80
= $72
Amount collected from the sale of the yellow rulers
= 20 x 1.50
= $30
Amount collected from the sale of the
purple rulers
P is the most.
(c)
Amount spent on the purple rulers = $119
Answer(s): (a)
518; (b) P; (c) $119