Kylie bought 3 kg of avocados at $
f per kg and 2 kg of lemons at $2
f per kg.
- Find the amount that she paid for the fruits in terms of f.
- If f = 7, how much change did Mrs Kylie receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the avocados
= 3 x
f = $3
f Amount paid for the lemons
= 2 x 2
f = $4
f Total amount paid for the fruits
= 3
f + 4
f = $7
f (b)
Amount that Mrs Kylie paid for the fruits
= 7
f = 7 x 7
= $49
Amount of change that Mrs Kylie received
= 100 - 49
= $51
Answer(s): (a) $7
f ; (b) $51