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How many yards of material do you need if you need 20 pieces of 2 x 21?
Wiki User
∙ 15y ago
Depends on the width of material and what the 2 x 21 is in
Assuming you mean 2 x 21 inches (compared to 2 x 21 yards) and your material is 42 inches wide
Then you can get 2 pieces per 2 inches so you need a length of material 2 x 10 = 20 inches which is 2/3rds of a yard
Wiki User
∙ 15y ago
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