PSLE The bar graph shows the number of files sold by a shop. The table shows the prices of the files.
- What fraction of the files sold were green files? Give the answer in the simplest form.
- From the sale of the files, which files collected the most amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of files |
Price per file |
Green |
$1.80 |
Yellow |
$1.80 |
Blue |
$1.60 |
Orange |
$1.70 |
(a)
Total number of files
= 30 + 50 + 20 + 20
= 120
Fraction of files that are green
=
30120 =
14 (b)
Amount collected from the sale of the green files
= 30 x 1.80
= $54
Amount collected from the sale of the
yellow files
= 50 x 1.80
= $90
(Most) Amount collected from the sale of the blue files
= 20 x 1.60
= $32
Amount collected from the sale of the orange files
= 20 x 1.70
= $34
Amount collected from the sale of the
yellow files
Y is the most.
(c)
Amount spent on the yellow files = $90
Answer(s): (a)
14; (b) Y; (c) $90