Mathematics, 29.01.2021 21:40 lorrainetakai1738

Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 4 : 3 : 1 by weight.
Henry needs to make 120kg of concrete.
He has 55kg of cement, 45kg of sand and 15kg 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 4 :...