Emma bought 2 kg of pineapples at $
y per kg and 4 kg of pomegranates at $4
y per kg.
- Find the amount that she paid for the fruits in terms of y.
- If y = 5, how much change did Mrs Emma receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the pineapples
= 2 x
y = $2
y Amount paid for the pomegranates
= 4 x 4
y = $16
y Total amount paid for the fruits
= 2
y + 16
y = $18
y (b)
Amount that Mrs Emma paid for the fruits
= 18
y = 18 x 5
= $90
Amount of change that Mrs Emma received
= 100 - 90
= $10
Answer(s): (a) $18
y ; (b) $10