PSLE Ian and Zara bought some vanilla puffs. Each of them paid $478.80. Zara bought 9 more vanilla puffs as she used a 5% discount coupon.
- How many vanilla puffs did Zara buy?
- How much did Ian pay for 1 vanilla puff?
(a)
The 5% discount is the savings that Zara enjoyed. She used her savings to buy 9 more vanilla puffs.
5% → 9
1% →
95100% →
95 x 100 = 180
Number of puffs that Zara bought = 180
(b)
Number of puffs that Ian bought
= 180 - 9
= 171
Amount that Ian paid for 1 vanilla puff
= 478.80 ÷ 171
= $2.80
Answer(s): (a) 180; (b) $2.80