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 |
Green |
$2.20 |
Yellow |
$2.30 |
Purple |
$1.60 |
Pink |
$1.60 |
(a)
Total number of rulers
= 40 + 40 + 35 + 25
= 140
Fraction of rulers that are purple
=
35140 =
14 (b)
Amount collected from the sale of the green rulers
= 40 x 2.20
= $88
Amount collected from the sale of the yellow rulers
= 40 x 2.30
= $92
Amount collected from the sale of the purple rulers
= 35 x 1.60
= $56
Amount collected from the sale of the
pink rulers
= 25 x 1.60
= $40
(Least) Amount collected from the sale of the
pink rulers
P is the least.
(c)
Amount spent on the pink rulers = $40
Answer(s): (a)
14; (b) P; (c) $40