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 orange 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 |
Yellow |
$1.80 |
Orange |
$2.20 |
Pink |
$1.70 |
Green |
$1.60 |
(a)
Total number of files
= 30 + 30 + 20 + 30
= 110
Fraction of files that are orange
=
30110 =
311 (b)
Amount collected from the sale of the yellow files
= 30 x 1.80
= $54
Amount collected from the sale of the orange files
= 30 x 2.20
= $66
Amount collected from the sale of the
pink files
= 20 x 1.70
= $34
(Least) Amount collected from the sale of the green files
= 30 x 1.60
= $48
Amount collected from the sale of the
pink files
P is the least.
(c)
Amount spent on the pink files = $34
Answer(s): (a)
311; (b) P; (c) $34