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 |
Orange |
$1.70 |
Purple |
$1.50 |
Yellow |
$1.50 |
Green |
$1.60 |
(a)
Total number of rulers
= 30 + 30 + 24 + 30
= 114
Fraction of rulers that are purple
=
30114 =
519 (b)
Amount collected from the sale of the orange rulers
= 30 x 1.70
= $51
Amount collected from the sale of the purple rulers
= 30 x 1.50
= $45
Amount collected from the sale of the
yellow rulers
= 24 x 1.50
= $36
(Least) Amount collected from the sale of the green rulers
= 30 x 1.60
= $48
Amount collected from the sale of the
yellow rulers
Y is the least.
(c)
Amount spent on the yellow rulers = $36
Answer(s): (a)
519; (b) Y; (c) $36