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 |
Green |
$1.90 |
Orange |
$1.50 |
Blue |
$1.40 |
Pink |
$1.90 |
(a)
Total number of rulers
= 70 + 40 + 30 + 40
= 180
Fraction of rulers that are pink
=
40180 =
29 (b)
Amount collected from the sale of the
green rulers
= 70 x 1.90
= $133
(Most) Amount collected from the sale of the orange rulers
= 40 x 1.50
= $60
Amount collected from the sale of the blue rulers
= 30 x 1.40
= $42
Amount collected from the sale of the pink rulers
= 40 x 1.90
= $76
Amount collected from the sale of the
green rulers
G is the most.
(c)
Amount spent on the green rulers = $133
Answer(s): (a)
29; (b) G; (c) $133