Lynn bought 3 kg of mangosteens at $
y per kg and 2 kg of apples at $2
y per kg.
- Find the amount that she paid for the fruits in terms of y.
- If y = 5, how much change did Mrs Lynn receive if she paid the fruit seller with a $50 note?
(a)
Amount paid for the mangosteens
= 3 x
y = $3
y Amount paid for the apples
= 2 x 2
y = $4
y Total amount paid for the fruits
= 3
y + 4
y = $7
y (b)
Amount that Mrs Lynn paid for the fruits
= 7
y = 7 x 5
= $35
Amount of change that Mrs Lynn received
= 50 - 35
= $15
Answer(s): (a) $7
y ; (b) $15