Question
Kathy bought 4 kg of pineapples at $k per kg and 3 kg of tomatoes at $3k 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 Kathy 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

Kathy bought 4 kg of pineapples at $k per kg and 3 kg of tomatoes at $3k 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 Kathy receive if she paid the fruit seller with a $100 note?