PSLE Ethan and Kylie bought some cherry tarts. Each of them paid $78.40. Kylie bought 7 more cherry tarts as she used a 20% discount coupon.
- How many cherry tarts did Kylie buy?
- How much did Ethan pay for 1 cherry tart?
(a)
The 20% discount is the savings that Kylie enjoyed. She used her savings to buy 7 more cherry tarts.
20% → 7
1% →
720100% →
720 x 100 = 35
Number of tarts that Kylie bought = 35
(b)
Number of tarts that Ethan bought
= 35 - 7
= 28
Amount that Ethan paid for 1 cherry tart
= 78.40 ÷ 28
= $2.80
Answer(s): (a) 35; (b) $2.80