SOLUTION: the ratio of sand to cement is 6 to 5. how much cement is in a 220 kg mixture?

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Question 839798: the ratio of sand to cement is 6 to 5. how much cement is in a 220 kg mixture?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

1.
.
.
2.

Then substitute from eq. 1,



Then from eq. 2,
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