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 |
Pink |
$1.80 |
Purple |
$1.80 |
Green |
$1.70 |
Blue |
$1.70 |
(a)
Total number of rulers
= 45 + 30 + 20 + 40
= 135
Fraction of rulers that are purple
=
30135 =
29 (b)
Amount collected from the sale of the pink rulers
= 45 x 1.80
= $81
Amount collected from the sale of the purple rulers
= 30 x 1.80
= $54
Amount collected from the sale of the
green rulers
= 20 x 1.70
= $34
(Least) Amount collected from the sale of the blue rulers
= 40 x 1.70
= $68
Amount collected from the sale of the
green rulers
G is the least.
(c)
Amount spent on the green rulers = $34
Answer(s): (a)
29; (b) G; (c) $34