Opal bought 2 kg of kiwis at $
a per kg and 3 kg of tomatoes at $2
a per kg.
- Find the amount that she paid for the fruits in terms of a.
- If a = 5, how much change did Mrs Opal receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the kiwis
= 2 x
a = $2
a Amount paid for the tomatoes
= 3 x 2
a = $6
a Total amount paid for the fruits
= 2
a + 6
a = $8
a (b)
Amount that Mrs Opal paid for the fruits
= 8
a = 8 x 5
= $40
Amount of change that Mrs Opal received
= 100 - 40
= $60
Answer(s): (a) $8
a ; (b) $60