Mathematics, 02.12.2020 09:30 dbzrules02

Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 3:2:7 by weight.
Henry needs to make 180kg of concrete.
He has 46kg of cement, 29kg of sand and 105kg of gravel.
Which ingredient is Henry short of?

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Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 3:2...