Question

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)

Answer 1

how many gallons does each bag contain?

Answer 2

Is Portland Cement.
the unit weight of Portland Cement is 150#.

Answer 3

so is the ratio by weight or by volume?

Answer 4

if it's by weight, you'll need to figure how many pounds of water and then convert to gallons.