Julie bought 4 kg of tomatoes at $
j per kg and 3 kg of mangosteens at $2
j per kg.
- Find the amount that she paid for the fruits in terms of j.
- If j = 6, how much change did Mrs Julie receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the tomatoes
= 4 x
j = $4
j Amount paid for the mangosteens
= 3 x 2
j = $6
j Total amount paid for the fruits
= 4
j + 6
j = $10
j (b)
Amount that Mrs Julie paid for the fruits
= 10
j = 10 x 6
= $60
Amount of change that Mrs Julie received
= 100 - 60
= $40
Answer(s): (a) $10
j ; (b) $40