Mary bought 5 kg of lemons at $
m per kg and 3 kg of kiwis at $2
m per kg.
- Find the amount that she paid for the fruits in terms of m.
- If m = 5, how much change did Mrs Mary receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the lemons
= 5 x
m = $5
m Amount paid for the kiwis
= 3 x 2
m = $6
m Total amount paid for the fruits
= 5
m + 6
m = $11
m (b)
Amount that Mrs Mary paid for the fruits
= 11
m = 11 x 5
= $55
Amount of change that Mrs Mary received
= 100 - 55
= $45
Answer(s): (a) $11
m ; (b) $45