At a bakery, a bag of tarts is sold at $10. For every $20 spent, a customer is given 2 free hongbao packets. Mrs Tim bought 9 bags of tarts.
- How much did Mrs Tim pay?
- How many hongbao packets did she get?
(a)
Amount paid for 9 bags of tarts
= 9 x 10
= $90
(b)
Number of sets
= 90 ÷ 20
= 4 r 10
Maximum number of sets = 4
Number of hongbao packets that Mrs Tim got
= 4 x 2
= 8
Answer(s): (a) $90; (b) 8