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 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 |
Pink |
$1.50 |
Yellow |
$1.90 |
Purple |
$1.70 |
Green |
$1.40 |
(a)
Total number of rulers
= 120 + 70 + 60 + 20
= 270
Fraction of rulers that are purple
=
60270 =
29 (b)
Amount collected from the sale of the pink rulers
= 120 x 1.50
= $180
Amount collected from the sale of the yellow rulers
= 70 x 1.90
= $133
Amount collected from the sale of the purple rulers
= 60 x 1.70
= $102
Amount collected from the sale of the
green rulers
= 20 x 1.40
= $28
(Least) Amount collected from the sale of the
green rulers
G is the least.
(c)
Amount spent on the green rulers = $28
Answer(s): (a)
29; (b) G; (c) $28