At a pastry shop, a box of muffins is sold at $17. For every $30 spent, a customer is given 2 free keychains. Mrs Warren bought 5 boxes of muffins.
- How much did Mrs Warren pay?
- How many keychains did she get?
(a)
Amount paid for 5 boxes of muffins
= 5 x 17
= $85
(b)
Number of sets
= 85 ÷ 30
= 2 r 25
Maximum number of sets = 2
Number of keychains that Mrs Warren got
= 2 x 2
= 4
Answer(s): (a) $85; (b) 4