Question
Jane bought 4 kg of durians at $k per kg and 2 kg of mangosteens at $2k per kg.
  1. Find the amount that she paid for the fruits in terms of k.
  2. If k = 5, how much change did Mrs Jane receive if she paid the fruit seller with a $50 note?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Jane bought 4 kg of durians at $k per kg and 2 kg of mangosteens at $2k per kg.
  1. Find the amount that she paid for the fruits in terms of k.
  2. If k = 5, how much change did Mrs Jane receive if she paid the fruit seller with a $50 note?