a mason mixes on bag of cement to three bags of sand to make concrete. if the mason needs a mixture of 128 bags of concrete, how many bags of cement and sand does he need? a mason mixes on bag of cement to three bags of sand to make concrete. if the mason needs a mixture of 128 bags of concrete, how many bags of cement and sand does he need? @Mathematics

Question

anonymous · Answer

is it one bag of cement?

anonymous · Answer

one bag of cement to three bags of sand **

anonymous · Answer

SUPPOSE he need x bags of cement...so he need 3x bags of sand..
x+3x=128
4x=128
x=32