Question 104625
Let x= cement part
    2x= water part
    3x=aggregate part

NOTE: they have a ratio of 1:2:3

Their sum should be 54, so,

x+2x+3x=54
6x=54
x=9,
2x=18,
34x=27.


Therefore, it MUST contain 9 cu. ft. of concrete, 18 cu. ft of water, and 27 cu. ft of aggregate!


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HyperBrain