At a supermarket, a bag of biscuits is sold at $15. For every $20 spent, a customer is given 3 free sweets. Mrs Charlie bought 6 bags of biscuits.
- How much did Mrs Charlie pay?
- How many sweets did she get?
(a)
Amount paid for 6 bags of biscuits
= 6 x 15
= $90
(b)
Number of sets
= 90 ÷ 20
= 4 r 10
Maximum number of sets = 4
Number of sweets that Mrs Charlie got
= 4 x 3
= 12
Answer(s): (a) $90; (b) 12