A builder mixes one part of cement to four parts of sand to make mortar.If he mixes up 100 kgs altogether,how much is cement?how much is sand? (NOTE: Solve with whole procedure)
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Step-by-step explanation:
The paste, composed of portland cement and water, coats the surface of the fine (small) and coarse (larger) aggregates. Through a chemical reaction called hydration, the paste hardens and gains strength to form the rock-like mass known as concrete.
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