Xandra bought 3 kg of honeydews at $
b per kg and 4 kg of kiwis at $3
b per kg.
- Find the amount that she paid for the fruits in terms of b.
- If b = 5, how much change did Mrs Xandra receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the honeydews
= 3 x
b = $3
b Amount paid for the kiwis
= 4 x 3
b = $12
b Total amount paid for the fruits
= 3
b + 12
b = $15
b (b)
Amount that Mrs Xandra paid for the fruits
= 15
b = 15 x 5
= $75
Amount of change that Mrs Xandra received
= 100 - 75
= $25
Answer(s): (a) $15
b ; (b) $25