P6 / Catholic High / 2020 / SA2 Prelims / Paper 2 – Q14 [4 marks]

Question:

Mr Ang paid $315 for 21 chairs. Mr Bay paid the same amount but got 4 more chairs than Mr Ang because he used a membership coupon that gave him a discount for every 4 chairs purchased.
a) How much would Mr Bay had paid for the chairs without the use of the membership coupon?
b) With the use of the membership coupon, how much was the discount for every 4 chairs purchased?

Solution: