Mathematics
Mathematics, 13.07.2019 16:00, Brendangrigley6571

In a mixture of concrete, there are four lbs of cement mix for each pound of gravel. if the mixture contains a total of 130 lb of these two ingredients, how many pounds of gravel are there?

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In a mixture of concrete, there are four lbs of cement mix for each pound of gravel. if the mixture...

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