PSLE Oliver and Barbara bought some chocolate chip muffins. Each of them paid $151.20. Barbara bought 8 more chocolate chip muffins as she used a 10% discount coupon.
- How many chocolate chip muffins did Barbara buy?
- How much did Oliver pay for 1 chocolate chip muffin?
(a)
The 10% discount is the savings that Barbara enjoyed. She used her savings to buy 8 more chocolate chip muffins.
10% → 8
1% →
810100% →
810 x 100 = 80
Number of muffins that Barbara bought = 80
(b)
Number of muffins that Oliver bought
= 80 - 8
= 72
Amount that Oliver paid for 1 chocolate chip muffin
= 151.20 ÷ 72
= $2.10
Answer(s): (a) 80; (b) $2.10