Jane bought 4 kg of apples at $
y per kg and 3 kg of pineapples at $3
y per kg.
- Find the amount that she paid for the fruits in terms of y.
- If y = 7, how much change did Mrs Jane receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the apples
= 4 x
y = $4
y Amount paid for the pineapples
= 3 x 3
y = $9
y Total amount paid for the fruits
= 4
y + 9
y = $13
y (b)
Amount that Mrs Jane paid for the fruits
= 13
y = 13 x 7
= $91
Amount of change that Mrs Jane received
= 100 - 91
= $9
Answer(s): (a) $13
y ; (b) $9