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