PSLE Jack and Linda bought some chocolate chip tarts. Each of them paid $137.70. Linda bought 9 more chocolate chip tarts as she used a 10% discount coupon.
- How many chocolate chip tarts did Linda buy?
- How much did Jack pay for 1 chocolate chip tart?
(a)
The 10% discount is the savings that Linda enjoyed. She used her savings to buy 9 more chocolate chip tarts.
10% → 9
1% →
910100% →
910 x 100 = 90
Number of tarts that Linda bought = 90
(b)
Number of tarts that Jack bought
= 90 - 9
= 81
Amount that Jack paid for 1 chocolate chip tart
= 137.70 ÷ 81
= $1.70
Answer(s): (a) 90; (b) $1.70