Tammy bought 5 kg of papayas at $
j per kg and 2 kg of apples at $2
j per kg.
- Find the amount that she paid for the fruits in terms of j.
- If j = 7, how much change did Mrs Tammy receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the papayas
= 5 x
j = $5
j Amount paid for the apples
= 2 x 2
j = $4
j Total amount paid for the fruits
= 5
j + 4
j = $9
j (b)
Amount that Mrs Tammy paid for the fruits
= 9
j = 9 x 7
= $63
Amount of change that Mrs Tammy received
= 100 - 63
= $37
Answer(s): (a) $9
j ; (b) $37