Gabby bought 4 kg of papayas at $
z per kg and 2 kg of lemons at $4
z per kg.
- Find the amount that she paid for the fruits in terms of z.
- If z = 7, how much change did Mrs Gabby receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the papayas
= 4 x
z = $4
z Amount paid for the lemons
= 2 x 4
z = $8
z Total amount paid for the fruits
= 4
z + 8
z = $12
z (b)
Amount that Mrs Gabby paid for the fruits
= 12
z = 12 x 7
= $84
Amount of change that Mrs Gabby received
= 100 - 84
= $16
Answer(s): (a) $12
z ; (b) $16