Mary bought 5 kg of avocados at $
z per kg and 3 kg of lemons at $2
z per kg.
- Find the amount that she paid for the fruits in terms of z.
- If z = 6, how much change did Mrs Mary receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the avocados
= 5 x
z = $5
z Amount paid for the lemons
= 3 x 2
z = $6
z Total amount paid for the fruits
= 5
z + 6
z = $11
z (b)
Amount that Mrs Mary paid for the fruits
= 11
z = 11 x 6
= $66
Amount of change that Mrs Mary received
= 100 - 66
= $34
Answer(s): (a) $11
z ; (b) $34