Orlan gave Allan 20 x 1/4 = <<20*1/4=5>>5 meters of rope.
So he had 20 - 5 = <<20-5=15>>15 meters left.
Then he gave 15 x 2/3 = <<15*2/3=10>>10 meters of the rope to Jack.
Therefore, Orlan is left with 15 - 10 = <<15-10=5>>5 meters of rope.
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