PSLE Ethan and Esther bought some chocolate chip tarts. Each of them paid $307.80. Esther bought 9 more chocolate chip tarts as she used a 5% discount coupon.
- How many chocolate chip tarts did Esther buy?
- How much did Ethan pay for 1 chocolate chip tart?
(a)
The 5% discount is the savings that Esther enjoyed. She used her savings to buy 9 more chocolate chip tarts.
5% → 9
1% →
95100% →
95 x 100 = 180
Number of tarts that Esther bought = 180
(b)
Number of tarts that Ethan bought
= 180 - 9
= 171
Amount that Ethan paid for 1 chocolate chip tart
= 307.80 ÷ 171
= $1.80
Answer(s): (a) 180; (b) $1.80