PSLE
The bar graph shows the number of post-it-pads sold by a shop. The table shows the prices of the post-it-pads.

1. What fraction of the post-it-pads sold were purple post-it-pads? Give the answer in the simplest form.
2. From the sale of the post-it-pads, which post-it-pads collected the most amount of money? Give the answer in letter. (Eg Green = G) 
3. What was the amount collected in (b)? 

Types of post-it-pads	Price per post-it-pad
Orange	$1.60
Blue	$1.30
Yellow	$1.40
Purple	$1.70

(a)
Total number of post-it-pads
= 120 + 50 + 80 + 50
= 300

Fraction of post-it-pads that are purple
= ⁵⁰₃₀₀
= ¹₆

(b)
Amount collected from the sale of the orange post-it-pads
= 120 x 1.60
= $192 (Most)

Amount collected from the sale of the blue post-it-pads
= 50 x 1.30
= $65

Amount collected from the sale of the yellow post-it-pads
= 80 x 1.40
= $112

Amount collected from the sale of the purple post-it-pads
= 50 x 1.70
= $85

Amount collected from the sale of the orange post-it-pads O is the most.

(c)
Amount spent on the orange post-it-pads = $192

Answer(s): (a) ¹₆; (b) O; (c) $192