SOLUTION: In a mixture of concrete, there are 4 lbs of cement mix. If the mixture contains a total of 250 lbs of these two ingredients, how many pounds of gravel are there?

SOLUTION: In a mixture of concrete, there are 4 lbs of cement mix. If the mixture contains a total of 250 lbs of these two ingredients, how many pounds of gravel are there?

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Question 828186: In a mixture of concrete, there are 4 lbs of cement mix. If the mixture contains a total of 250 lbs of these two ingredients, how many pounds of gravel are there?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Is this concrete supposed to be composed of just cement and gravel, and no other dry matter? If so, go this way:

g = pounds of gravel.
4 pounds cement-mix plus g pounds of gravel equals 250 pounds concrete mixture.
4+g=250
g=250-4
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