PSLE Zane and Jane bought some vanilla doughnuts. Each of them paid $11.90. Jane bought 3 more vanilla doughnuts as she used a 30% discount coupon.
- How many vanilla doughnuts did Jane buy?
- How much did Zane pay for 1 vanilla doughnut?
(a)
The 30% discount is the savings that Jane enjoyed. She used her savings to buy 3 more vanilla doughnuts.
30% → 3
1% →
330100% →
330 x 100 = 10
Number of doughnuts that Jane bought = 10
(b)
Number of doughnuts that Zane bought
= 10 - 3
= 7
Amount that Zane paid for 1 vanilla doughnut
= 11.90 ÷ 7
= $1.70
Answer(s): (a) 10; (b) $1.70