P6 / Rosyth / 2020 / SA2 Prelims / Paper 2 – Q17 [5 marks]

Question:

Mdm Yap sold some T-shirts in March. The table bellows shows the number of T-shirts sold for size S and L but not size M and XL.
(a) 50% of the T-shirt were in size L. The ratio of the number of T-shirt in size M to size XL is 5 : 11. How many of the T-shirts were in size M?
(b) Mdm Yap sold all of her T-shirts in the size of S at the usual price and all of her T-shirts in size M at a discount of 25%. She received a total of $1620 from the sale. The amount of money she received from the sale of the T-shirt in size M was $180 more than the sale of T-shirt in size S. What is the price difference in the cost of a T-shirt in size S and a T-shirt in size M at their usual price?

Solution: