Pamela bought 4 kg of pomegranates at $
s per kg and 2 kg of durians at $4
s per kg.
- Find the amount that she paid for the fruits in terms of s.
- If s = 7, how much change did Mrs Pamela receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the pomegranates
= 4 x
s = $4
s Amount paid for the durians
= 2 x 4
s = $8
s Total amount paid for the fruits
= 4
s + 8
s = $12
s (b)
Amount that Mrs Pamela paid for the fruits
= 12
s = 12 x 7
= $84
Amount of change that Mrs Pamela received
= 100 - 84
= $16
Answer(s): (a) $12
s ; (b) $16