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 orange 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 |
Blue |
$1.90 |
Pink |
$1.60 |
Orange |
$1.90 |
Yellow |
$1.30 |
(a)
Total number of rulers
= 90 + 80 + 100 + 80
= 350
Fraction of rulers that are orange
=
100350 =
27 (b)
Amount collected from the sale of the blue rulers
= 90 x 1.90
= $171
Amount collected from the sale of the pink rulers
= 80 x 1.60
= $128
Amount collected from the sale of the orange rulers
= 100 x 1.90
= $190
Amount collected from the sale of the
yellow rulers
= 80 x 1.30
= $104
(Least) Amount collected from the sale of the
yellow rulers
Y is the least.
(c)
Amount spent on the yellow rulers = $104
Answer(s): (a)
27; (b) Y; (c) $104