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3 ft = 1 yd

36 in = 1 yd

⇒ 50 ft x 7 ft x 4 in = (50 ÷ 3) yd x (7 ÷ 3) yd x (4 ÷ 36) yd

= 350/81 cu yd

= 426/81 cu yd

≈ 4.321 cu yd

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13y ago

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