Mathematics, 03.07.2019 22:00 crazteeyn8290
Abatch of concrete is made by mixing 1 cement, 2 1/2 parts sand, and 3 1/2 parts gravel. how many pounds of sand and gravel are needed to make 300 pounds of cement? show how you get your answer!
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Abatch of concrete is made by mixing 1 cement, 2 1/2 parts sand, and 3 1/2 parts gravel. how many po...
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