Question
Erika had some soy milk. Each day, she drank an equal amount of soy milk. At the end of the sixth day, she had 1300 mℓ of soy milk left. At the end of the seventh day, she had 1000 mℓ of soy milk left.
  1. What was the amount of soy milk she drank each day?
  2. How much soy milk did Erika have at first? Give your answer in litres and millilitres.
4 m
(a)

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(b)

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Erika had some soy milk. Each day, she drank an equal amount of soy milk. At the end of the sixth day, she had 1300 mℓ of soy milk left. At the end of the seventh day, she had 1000 mℓ of soy milk left.
  1. What was the amount of soy milk she drank each day?
  2. How much soy milk did Erika have at first? Give your answer in litres and millilitres.