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 |
Blue |
$1.50 |
Orange |
$1.80 |
Green |
$1.60 |
Purple |
$1.90 |
(a)
Total number of files
= 50 + 100 + 60 + 40
= 250
Fraction of files that are blue
=
50250 =
15 (b)
Amount collected from the sale of the blue files
= 50 x 1.50
= $75
Amount collected from the sale of the
orange files
= 100 x 1.80
= $180
(Most) Amount collected from the sale of the green files
= 60 x 1.60
= $96
Amount collected from the sale of the purple files
= 40 x 1.90
= $76
Amount collected from the sale of the
orange files
O is the most.
(c)
Amount spent on the orange files = $180
Answer(s): (a)
15; (b) O; (c) $180