math
posted by mc .
sam has purchased 4 sections of fences that measure 22 1/2 feet long.he needs 2 sections that measure 19 3/4 for the length and 2 sections that measure 15 3/4 feet each for the width how much fence will he have left.

New total length will be 22.5 + 19.75 = 42.25 feet
New total width will be 22.5 + 15.75 = 38.25 feet.
New (perimeter) fence length will be
2*42.25 + 2*38.25 = 161 feet.
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