At a bakery, a box of tarts is sold at $13. For every $20 spent, a customer is given 3 free sweets. Mrs Ethan bought 7 boxes of tarts.
- How much did Mrs Ethan pay?
- How many sweets did she get?
(a)
Amount paid for 7 boxes of tarts
= 7 x 13
= $91
(b)
Number of sets
= 91 ÷ 20
= 4 r 11
Maximum number of sets = 4
Number of sweets that Mrs Ethan got
= 4 x 3
= 12
Answer(s): (a) $91; (b) 12