[Leejohnston]

[border]TIER 3 — Applied Basics[/border]

Tier 3 — Challenge 003 — The Water Jug Trade

Your friend has a 9-litre jug filled completely with water. 
You have an empty 4-litre jug. 
Neither jug has measuring marks.

Question: 
Using ONLY these two jugs, what is the fewest number of steps needed 
to measure exactly 6 litres of water?

Describe each step clearly.

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Thread title: 
Tier 3 Attempt — YourUsername — Challenge 003