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The wall is 85 ft x 6 ft = 510 square feet (face area)

One block is 8 inches by 16 inches = 2/3 ft x 4/3 ft = 8/9 square foot.

Divide 510 by (8/9) = 510 x (9/8) = 573.75.

574 blocks. Allow a few extra formistakes!

By the way, check that there will be an even number of rows: 6 ft high = 6x12 = 72 inches. 72/8 = 9. OK, there will be 9 rows of blocks.

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โˆ™ 2013-03-13 00:57:55
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Q: How many 8X16 blocks do you need for 85 by 6 feet wall?
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