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

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(b)

Click button first when a symbol is required. X

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