Vanessa bought 5 kg of durians at $
m per kg and 2 kg of pomegranates at $4
m per kg.
- Find the amount that she paid for the fruits in terms of m.
- If m = 7, how much change did Mrs Vanessa receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the durians
= 5 x
m = $5
m Amount paid for the pomegranates
= 2 x 4
m = $8
m Total amount paid for the fruits
= 5
m + 8
m = $13
m (b)
Amount that Mrs Vanessa paid for the fruits
= 13
m = 13 x 7
= $91
Amount of change that Mrs Vanessa received
= 100 - 91
= $9
Answer(s): (a) $13
m ; (b) $9