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 |
$1.50 |
Green |
$2.10 |
Purple |
$1.80 |
Pink |
$1.50 |
(a)
Total number of rulers
= 80 + 80 + 30 + 90
= 280
Fraction of rulers that are blue
=
80280 =
27 (b)
Amount collected from the sale of the blue rulers
= 80 x 1.50
= $120
Amount collected from the sale of the
green rulers
= 80 x 2.10
= $168
(Most) Amount collected from the sale of the purple rulers
= 30 x 1.80
= $54
Amount collected from the sale of the pink rulers
= 90 x 1.50
= $135
Amount collected from the sale of the
green rulers
G is the most.
(c)
Amount spent on the green rulers = $168
Answer(s): (a)
27; (b) G; (c) $168