At a bakery, a box of biscuits is sold at $17. For every $30 spent, a customer is given 3 free pens. Mrs Daniel bought 9 boxes of biscuits.
- How much did Mrs Daniel pay?
- How many pens did she get?
(a)
Amount paid for 9 boxes of biscuits
= 9 x 17
= $153
(b)
Number of sets
= 153 ÷ 30
= 5 r 3
Maximum number of sets = 5
Number of pens that Mrs Daniel got
= 5 x 3
= 15
Answer(s): (a) $153; (b) 15