PSLE
Shops G and H sell punchers of four colours. The bar graphs show the number of punchers sold by each shop in March. The bar for the number purple punchers sold by Shop G has not been drawn.

1. Half of the punchers sold by Shop G were purple punchers. How many purple punchers did Shop G sell?
2. Which colour(s) of punchers did Shop G sell less than Shop H? Give your answer(s) in letter(s) in alphabetical order. (Eg Blue, Red = B, R)
3. In April, Shop H sold 40 more pink punchers than the number of pink punchers sold in March. What was the percentage increase in the number of pink punchers sold by Shop H from March to April?

(a)
Number of pink punchers sold in Shop G = 200
Number of orange punchers sold in Shop G = 120
Number of blue punchers sold in Shop G = 60

Since purple punchers sold in Shop G is half of the punchers sold by Shop G, the total of pink punchers, orange punchers and blue punchers is equal to purple punchers.

Number of purple punchers sold in Shop G
= 200 + 120 + 60
= 380

(b)
Number of pink punchers sold in Shop G = 200 (More)
Number of pink punchers sold in Shop H = 80

Number of orange punchers sold in Shop G = 120 (Equal)
Number of orange punchers sold in Shop H = 120

Number of blue punchers sold in Shop G = 60 (Less) 
Number of blue punchers sold in Shop H = 200

Number of purple punchers sold in Shop G = 380 (More) 
Number of purple punchers sold in Shop H = 200 

Colour(s) of punchers that Shop G sold less than Shop H = Blue (B)

(c)
Percentage increase in the number of pink punchers sold by Shop H from March to April
= ⁴⁰₈₀ x 100%
= ¹₂ x 100%
= 50%

Answer(s): (a) 380; (b) B; (c) 50%