Zara bought 2 kg of honeydews at $
w per kg and 4 kg of durians at $3
w per kg.
- Find the amount that she paid for the fruits in terms of w.
- If w = 7, how much change did Mrs Zara receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the honeydews
= 2 x
w = $2
w Amount paid for the durians
= 4 x 3
w = $12
w Total amount paid for the fruits
= 2
w + 12
w = $14
w (b)
Amount that Mrs Zara paid for the fruits
= 14
w = 14 x 7
= $98
Amount of change that Mrs Zara received
= 100 - 98
= $2
Answer(s): (a) $14
w ; (b) $2