Question
Sarah bought 4 kg of papayas at $z per kg and 3 kg of mangosteens at $4z per kg.
  1. Find the amount that she paid for the fruits in terms of z.
  2. If z = 5, how much change did Mrs Sarah receive if she paid the fruit seller with a $100 note?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Sarah bought 4 kg of papayas at $z per kg and 3 kg of mangosteens at $4z per kg.
  1. Find the amount that she paid for the fruits in terms of z.
  2. If z = 5, how much change did Mrs Sarah receive if she paid the fruit seller with a $100 note?