Question
Barbara bought 3 kg of apples at $f per kg and 2 kg of papayas at $4f per kg.
  1. Find the amount that she paid for the fruits in terms of f.
  2. If f = 6, how much change did Mrs Barbara 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

Barbara bought 3 kg of apples at $f per kg and 2 kg of papayas at $4f per kg.
  1. Find the amount that she paid for the fruits in terms of f.
  2. If f = 6, how much change did Mrs Barbara receive if she paid the fruit seller with a $100 note?