Gwen bought 2 kg of durians at $
d per kg and 4 kg of kiwis at $2
d per kg.
- Find the amount that she paid for the fruits in terms of d.
- If d = 5, how much change did Mrs Gwen receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the durians
= 2 x
d = $2
d Amount paid for the kiwis
= 4 x 2
d = $8
d Total amount paid for the fruits
= 2
d + 8
d = $10
d (b)
Amount that Mrs Gwen paid for the fruits
= 10
d = 10 x 5
= $50
Amount of change that Mrs Gwen received
= 100 - 50
= $50
Answer(s): (a) $10
d ; (b) $50