For 4 days, Ivy consumes 2.5 x 4 = <<2.5*4=10>>10 liters of water.

So Ivy should buy 10/2 = <<10/2=5>>5 bottles of 2-liter water.

# Answer

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Question:
Ivy drinks 2.5 liters of water each day. How many bottles of 2-liter water should Ivy buy for her 4 days consumption?
Answer:
Let's think step by step.

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Ivy drinks 2.5 liters of water each day. How many bottles of 2-liter water should Ivy buy for her 4 days consumption?
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