Maynard's dog dug 8 holes in the lawn.  Maynard filled in 75% of the hole with dirt.  How many holes remain unfilled?
75% of the 8 holes in Maynard's lawn, or (75/100) * 8 = <<(75/100)*8=6>>6 holes, were filled in with dirt.
Of the original 8 holes, 8-6=<<8-6=2>>2 holes remain unfilled.
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