Sarah bought 3 kg of pineapples at $
v per kg and 5 kg of kiwis at $3
v per kg.
- Find the amount that she paid for the fruits in terms of v.
- If v = 5, how much change did Mrs Sarah receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the pineapples
= 3 x
v = $3
v Amount paid for the kiwis
= 5 x 3
v = $15
v Total amount paid for the fruits
= 3
v + 15
v = $18
v (b)
Amount that Mrs Sarah paid for the fruits
= 18
v = 18 x 5
= $90
Amount of change that Mrs Sarah received
= 100 - 90
= $10
Answer(s): (a) $18
v ; (b) $10