PSLE Pierre and Jean bought some chocolate chip doughnuts. Each of them paid $279.30. Jean bought 7 more chocolate chip doughnuts as she used a 5% discount coupon.
- How many chocolate chip doughnuts did Jean buy?
- How much did Pierre pay for 1 chocolate chip doughnut?
(a)
The 5% discount is the savings that Jean enjoyed. She used her savings to buy 7 more chocolate chip doughnuts.
5% → 7
1% →
75100% →
75 x 100 = 140
Number of doughnuts that Jean bought = 140
(b)
Number of doughnuts that Pierre bought
= 140 - 7
= 133
Amount that Pierre paid for 1 chocolate chip doughnut
= 279.30 ÷ 133
= $2.10
Answer(s): (a) 140; (b) $2.10