SOLUTION: A 3:4:1 concrete mix means that for every 2 parts of sand, 3 parts of gravel, and 1 part of cement. How much sand and cement should be used in the mix compound of 27 cubic feet of
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-> SOLUTION: A 3:4:1 concrete mix means that for every 2 parts of sand, 3 parts of gravel, and 1 part of cement. How much sand and cement should be used in the mix compound of 27 cubic feet of
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