PSLE Henry and Penelope bought some vanilla doughnuts. Each of them paid $69.30. Penelope bought 7 more vanilla doughnuts as she used a 10% discount coupon.
- How many vanilla doughnuts did Penelope buy?
- How much did Henry pay for 1 vanilla doughnut?
(a)
The 10% discount is the savings that Penelope enjoyed. She used her savings to buy 7 more vanilla doughnuts.
10% → 7
1% →
710100% →
710 x 100 = 70
Number of doughnuts that Penelope bought = 70
(b)
Number of doughnuts that Henry bought
= 70 - 7
= 63
Amount that Henry paid for 1 vanilla doughnut
= 69.30 ÷ 63
= $1.10
Answer(s): (a) 70; (b) $1.10