Nora bought 5 kg of avocados at $
f per kg and 2 kg of apples at $3
f per kg.
- Find the amount that she paid for the fruits in terms of f.
- If f = 7, how much change did Mrs Nora receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the avocados
= 5 x
f = $5
f Amount paid for the apples
= 2 x 3
f = $6
f Total amount paid for the fruits
= 5
f + 6
f = $11
f (b)
Amount that Mrs Nora paid for the fruits
= 11
f = 11 x 7
= $77
Amount of change that Mrs Nora received
= 100 - 77
= $23
Answer(s): (a) $11
f ; (b) $23