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 blue files? Give the answer in the simplest form.
- From the sale of the files, which files collected the least amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of files |
Price per file |
Pink |
$1.90 |
Green |
$1.90 |
Blue |
$1.50 |
Orange |
$1.30 |
(a)
Total number of files
= 30 + 50 + 50 + 20
= 150
Fraction of files that are blue
=
50150 =
13 (b)
Amount collected from the sale of the pink files
= 30 x 1.90
= $57
Amount collected from the sale of the green files
= 50 x 1.90
= $95
Amount collected from the sale of the blue files
= 50 x 1.50
= $75
Amount collected from the sale of the
orange files
= 20 x 1.30
= $26
(Least) Amount collected from the sale of the
orange files
O is the least.
(c)
Amount spent on the orange files = $26
Answer(s): (a)
13; (b) O; (c) $26