At a confectionary, a bag of muffins is sold at $17. For every $20 spent, a customer is given 3 free keychains. Mrs Eric bought 5 bags of muffins.
- How much did Mrs Eric pay?
- How many keychains did she get?
(a)
Amount paid for 5 bags of muffins
= 5 x 17
= $85
(b)
Number of sets
= 85 ÷ 20
= 4 r 5
Maximum number of sets = 4
Number of keychains that Mrs Eric got
= 4 x 3
= 12
Answer(s): (a) $85; (b) 12