Lynn bought 3 kg of mangosteens at $
i per kg and 4 kg of tomatoes at $2
i per kg.
- Find the amount that she paid for the fruits in terms of i.
- If i = 6, how much change did Mrs Lynn receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the mangosteens
= 3 x
i = $3
i Amount paid for the tomatoes
= 4 x 2
i = $8
i Total amount paid for the fruits
= 3
i + 8
i = $11
i (b)
Amount that Mrs Lynn paid for the fruits
= 11
i = 11 x 6
= $66
Amount of change that Mrs Lynn received
= 100 - 66
= $34
Answer(s): (a) $11
i ; (b) $34