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 |
$1.70 |
Yellow |
$2.10 |
Purple |
$1.70 |
Orange |
$1.60 |
(a)
Total number of files
= 50 + 90 + 20 + 40
= 200
Fraction of files that are green
=
50200 =
14 (b)
Amount collected from the sale of the green files
= 50 x 1.70
= $85
Amount collected from the sale of the
yellow files
= 90 x 2.10
= $189
(Most) Amount collected from the sale of the purple files
= 20 x 1.70
= $34
Amount collected from the sale of the orange files
= 40 x 1.60
= $64
Amount collected from the sale of the
yellow files
Y is the most.
(c)
Amount spent on the yellow files = $189
Answer(s): (a)
14; (b) Y; (c) $189