Linda bought 4 kg of durians at $
a per kg and 3 kg of kiwis at $3
a per kg.
- Find the amount that she paid for the fruits in terms of a.
- If a = 6, how much change did Mrs Linda receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the durians
= 4 x
a = $4
a Amount paid for the kiwis
= 3 x 3
a = $9
a Total amount paid for the fruits
= 4
a + 9
a = $13
a (b)
Amount that Mrs Linda paid for the fruits
= 13
a = 13 x 6
= $78
Amount of change that Mrs Linda received
= 100 - 78
= $22
Answer(s): (a) $13
a ; (b) $22