Question
Emma bought 4 kg of lemons at $d per kg and 3 kg of papayas at $3d per kg.
  1. Find the amount that she paid for the fruits in terms of d.
  2. If d = 7, how much change did Mrs Emma receive if she paid the fruit seller with a $100 note?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Emma bought 4 kg of lemons at $d per kg and 3 kg of papayas at $3d per kg.
  1. Find the amount that she paid for the fruits in terms of d.
  2. If d = 7, how much change did Mrs Emma receive if she paid the fruit seller with a $100 note?