SOLUTION: In a mixture of concrete, there are three Ib of cement mix for each pound of gravel. If the mixture contains a total of 240 Ib of these two ingredients, how many pounds of gravel a

Question 722063: In a mixture of concrete, there are three Ib of cement mix for each pound of gravel. If the mixture contains a total of 240 Ib of these two ingredients, how many pounds of gravel are there?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Same as 3 pounds of every 4 is cement mix and 1 pound of every 4 is gravel. Equivalent to 3/4 of the concrete is cement mix and 1/4 of the concrete is gravel.

Upward to 240 pounds of concrete mixture, cutting 240 pounds into quarters, 180 pounds for cement mix and 60 pounds for gravel.
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