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OpenStudy (anonymous):
If a 0.45 water-cement ratio is desired, how many gallons of water is required to be mixed with 11 bags of Portland cement? (Round up to the nearest gallon)
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OpenStudy (anonymous):
how many gallons does each bag contain?
OpenStudy (anonymous):
Is Portland Cement. the unit weight of Portland Cement is 150#.
OpenStudy (anonymous):
so is the ratio by weight or by volume?
OpenStudy (anonymous):
if it's by weight, you'll need to figure how many pounds of water and then convert to gallons.
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