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 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 |
Pink |
$1.70 |
Orange |
$1.40 |
Blue |
$1.70 |
(a)
Total number of files
= 70 + 60 + 40 + 20
= 190
Fraction of files that are blue
=
20190 =
219 (b)
Amount collected from the sale of the
green files
= 70 x 1.70
= $119
(Most) Amount collected from the sale of the pink files
= 60 x 1.70
= $102
Amount collected from the sale of the orange files
= 40 x 1.40
= $56
Amount collected from the sale of the blue files
= 20 x 1.70
= $34
Amount collected from the sale of the
green files
G is the most.
(c)
Amount spent on the green files = $119
Answer(s): (a)
219; (b) G; (c) $119