SOLUTION: In a mixture of concrete, there are 3 pounds if cements mix for every 1 pound of gravel. If the mixture contains a total of 140 pounds of these two ingredients, how many pounds of
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Question 1010074: In a mixture of concrete, there are 3 pounds if cements mix for every 1 pound of gravel. If the mixture contains a total of 140 pounds of these two ingredients, how many pounds of gravel are there? Answer by macston(5194) (Show Source):
