PSLE Stores L and M sell punchers of four colours. The bar graphs show the number of punchers sold by each shop in February. The bar for the number purple punchers sold by Store L has not been drawn.
- Half of the punchers sold by Store L were purple punchers. How many purple punchers did Store L sell?
- Which colour(s) of punchers did Store L sell less than Store M? Give your answer(s) in letter(s) in alphabetical order. (Eg Blue, Red = B, R)
- In March, Store M sold 5 more green punchers than the number of green punchers sold in February. What was the percentage increase in the number of green punchers sold by Store M from February to March?
(a)
Number of green punchers sold in Store L = 250
Number of pink punchers sold in Store L = 175
Number of yellow punchers sold in Store L = 125
Since purple punchers sold in Store L is half of the punchers sold by Store L, the total of green punchers, pink punchers and yellow punchers is equal to purple punchers.
Number of purple punchers sold in Store L
= 250 + 175 + 125
= 550
(b)
Number of green punchers sold in Store L = 250 (More)
Number of green punchers sold in Store M = 125
Number of pink punchers sold in Store L = 175 (Equal)
Number of pink punchers sold in Store M = 175
Number of yellow punchers sold in Store L = 125 (Less)
Number of yellow punchers sold in Store M = 200
Number of purple punchers sold in Store L = 550 (More)
Number of purple punchers sold in Store M = 175
Colour(s) of punchers that Store L sold less than Store M = Yellow (Y)
(c)
Percentage increase in the number of green punchers sold by Store M from February to March
=
5125 x 100%
=
125 x 100%
= 4%
Answer(s): (a) 550; (b) Y; (c) 4%