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Three aggregates are blended by weight in the following percentages: 3)50% crushed limestone, bulk dry specific gravity: 2.702 4)30% blast furnace slag, bulk dry specific

Three aggregates are blended by weight in the following percentages: 3)50% crushed limestone, bulk dry specific gravity: 2.702 4)30% blast furnace slag, bulk dry specific gravity: 2.331 5)20% natural sand, bulk dry specific gravity: 2.600 Calculate the specific gravity of the blend

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