PSLE Oscar and Mary bought some banana doughnuts. Each of them paid $201.60. Mary bought 8 more banana doughnuts as she used a 10% discount coupon.
- How many banana doughnuts did Mary buy?
- How much did Oscar pay for 1 banana doughnut?
(a)
The 10% discount is the savings that Mary enjoyed. She used her savings to buy 8 more banana doughnuts.
10% → 8
1% →
810100% →
810 x 100 = 80
Number of doughnuts that Mary bought = 80
(b)
Number of doughnuts that Oscar bought
= 80 - 8
= 72
Amount that Oscar paid for 1 banana doughnut
= 201.60 ÷ 72
= $2.80
Answer(s): (a) 80; (b) $2.80