Mathematics, 13.11.2020 16:50 brandiwingard

1 cubic metre of concrete has a weight of 2400 kg 15% of the concrete is water the rest of the ingredients of concrete are cement, sand and stone the weights of these ingredients are in the ratio 1:2:5 work out the weight of cement, sand and stone in 1 cubic metre of concrete

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1 cubic metre of concrete has a weight of 2400 kg 15% of the concrete is water the rest of the ingre...