SOLUTION: A cement mixture is composed of 3 elements. By weight, 1/3 of the mixture is sand, 3/5 of the mixture is water, and the remaining 12 pounds of the mixture is gravel. What is the we

Question 877046: A cement mixture is composed of 3 elements. By weight, 1/3 of the mixture is sand, 3/5 of the mixture is water, and the remaining 12 pounds of the mixture is gravel. What is the weight of the entire mixture in pounds?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find 12 pounds is what fraction of the mixture by weight.

12 pounds is of the mixture. That is, of the entire mixture. The mixture is therefore 15 times 12 pounds.

m for pounds of entire mixture,

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