In total, the 3 tea leaf plants have 18 x 3 = <<18*3=54>>54 green leaves.

One-third of the yellow leaves falling off of all plants is 54 / 3 = <<54/3=18>>18.

The number of remaining green leaves on the plants is 54 - 18 = <<54-18=36>>36.

# Answer

36
Question:
There are 18 green leaves on each of the 3 tea leaf plants. One-third of them turn yellow and fall off on each of the tea leaf plants.  How many green leaves are left on the tea leaf plants?
Answer:
Let's think step by step.

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36
There are 18 green leaves on each of the 3 tea leaf plants. One-third of them turn yellow and fall off on each of the tea leaf plants.  How many green leaves are left on the tea leaf plants?
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