Question
Mr. Ethan bought 4 kg of refined flour for $18. He sold the refined flour for $31.
  1. How much did he sell each kilogram of refined flour for?
  2. How much money did he make from each kilogram of refined flour?
4 m
(a)

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(b)

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Mr. Ethan bought 4 kg of refined flour for $18. He sold the refined flour for $31.
  1. How much did he sell each kilogram of refined flour for?
  2. How much money did he make from each kilogram of refined flour?