I have used the proportion of cement:sand:gravel, is 1:2:4.
cement and the sand was provided by the company but i
provided the gravel. this combination was used to fill 500
cubic ft of wall. now i want to know how much gravel was
used in making the wall. can you guys please help me?

Answer Posted / fasil ebrahim

for finding amount of sand used 0.45x500= 225 cft
for gravel 0.9x500 = 450 cft

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