PSLE The bar graph shows the number of notebooks sold by a shop. The table shows the prices of the notebooks.
- What fraction of the notebooks sold were yellow notebooks? Give the answer in the simplest form.
- From the sale of the notebooks, which notebooks collected the least amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of notebooks |
Price per notebook |
Green |
$1.50 |
Yellow |
$2.20 |
Blue |
$1.70 |
Orange |
$1.70 |
(a)
Total number of notebooks
= 60 + 30 + 20 + 50
= 160
Fraction of notebooks that are yellow
=
30160 =
316 (b)
Amount collected from the sale of the green notebooks
= 60 x 1.50
= $90
Amount collected from the sale of the yellow notebooks
= 30 x 2.20
= $66
Amount collected from the sale of the
blue notebooks
= 20 x 1.70
= $34
(Least) Amount collected from the sale of the orange notebooks
= 50 x 1.70
= $85
Amount collected from the sale of the
blue notebooks
B is the least.
(c)
Amount spent on the blue notebooks = $34
Answer(s): (a)
316; (b) B; (c) $34