Shiyun bought 4 kg of pomegranates at $
k per kg and 5 kg of kiwis at $2
k per kg.
- Find the amount that she paid for the fruits in terms of k.
- If k = 5, how much change did Mrs Shiyun receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the pomegranates
= 4 x
k = $4
k Amount paid for the kiwis
= 5 x 2
k = $10
k Total amount paid for the fruits
= 4
k + 10
k = $14
k (b)
Amount that Mrs Shiyun paid for the fruits
= 14
k = 14 x 5
= $70
Amount of change that Mrs Shiyun received
= 100 - 70
= $30
Answer(s): (a) $14
k ; (b) $30