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 purple 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 |
Blue |
$1.80 |
Purple |
$2.30 |
Green |
$1.50 |
Orange |
$1.70 |
(a)
Total number of files
= 80 + 60 + 50 + 70
= 260
Fraction of files that are purple
=
60260 =
313 (b)
Amount collected from the sale of the blue files
= 80 x 1.80
= $144
Amount collected from the sale of the purple files
= 60 x 2.30
= $138
Amount collected from the sale of the
green files
= 50 x 1.50
= $75
(Least) Amount collected from the sale of the orange files
= 70 x 1.70
= $119
Amount collected from the sale of the
green files
G is the least.
(c)
Amount spent on the green files = $75
Answer(s): (a)
313; (b) G; (c) $75