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 orange notebooks? Give the answer in the simplest form.
- From the sale of the notebooks, which notebooks collected the most amount of money? Give the answer in letter. (Eg Green = G)
- What was the amount collected in (b)?
Types of notebooks |
Price per notebook |
Orange |
$1.60 |
Blue |
$1.70 |
Green |
$1.60 |
Yellow |
$1.80 |
(a)
Total number of notebooks
= 40 + 100 + 20 + 30
= 190
Fraction of notebooks that are orange
=
40190 =
419 (b)
Amount collected from the sale of the orange notebooks
= 40 x 1.60
= $64
Amount collected from the sale of the
blue notebooks
= 100 x 1.70
= $170
(Most) Amount collected from the sale of the green notebooks
= 20 x 1.60
= $32
Amount collected from the sale of the yellow notebooks
= 30 x 1.80
= $54
Amount collected from the sale of the
blue notebooks
B is the most.
(c)
Amount spent on the blue notebooks = $170
Answer(s): (a)
419; (b) B; (c) $170