Question
Nora bought 5 kg of avocados at $f per kg and 2 kg of apples at $3f per kg.
  1. Find the amount that she paid for the fruits in terms of f.
  2. If f = 7, how much change did Mrs Nora 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

Nora bought 5 kg of avocados at $f per kg and 2 kg of apples at $3f per kg.
  1. Find the amount that she paid for the fruits in terms of f.
  2. If f = 7, how much change did Mrs Nora receive if she paid the fruit seller with a $100 note?