Emily bought 4 kg of honeydews at $
z per kg and 3 kg of lemons at $3
z per kg.
- Find the amount that she paid for the fruits in terms of z.
- If z = 6, how much change did Mrs Emily receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the honeydews
= 4 x
z = $4
z Amount paid for the lemons
= 3 x 3
z = $9
z Total amount paid for the fruits
= 4
z + 9
z = $13
z (b)
Amount that Mrs Emily paid for the fruits
= 13
z = 13 x 6
= $78
Amount of change that Mrs Emily received
= 100 - 78
= $22
Answer(s): (a) $13
z ; (b) $22