At a supermarket, a box of muffins is sold at $10. For every $30 spent, a customer is given 2 free pens. Mrs Archie bought 8 boxes of muffins.
- How much did Mrs Archie pay?
- How many pens did she get?
(a)
Amount paid for 8 boxes of muffins
= 8 x 10
= $80
(b)
Number of sets
= 80 ÷ 30
= 2 r 20
Maximum number of sets = 2
Number of pens that Mrs Archie got
= 2 x 2
= 4
Answer(s): (a) $80; (b) 4