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 pink 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 |
Yellow |
$2.10 |
Orange |
$1.30 |
Green |
$1.70 |
Pink |
$1.40 |
(a)
Total number of rulers
= 110 + 90 + 80 + 40
= 320
Fraction of rulers that are pink
=
40320 =
18 (b)
Amount collected from the sale of the
yellow rulers
= 110 x 2.10
= $231
(Most) Amount collected from the sale of the orange rulers
= 90 x 1.30
= $117
Amount collected from the sale of the green rulers
= 80 x 1.70
= $136
Amount collected from the sale of the pink rulers
= 40 x 1.40
= $56
Amount collected from the sale of the
yellow rulers
Y is the most.
(c)
Amount spent on the yellow rulers = $231
Answer(s): (a)
18; (b) Y; (c) $231