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Concrete is made by mixing screenings, cement and sand in the ratio 3:1:15. How much sand would be needed to make 125 tonnes of concrete?
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Concrete is made by mixing screenings, cement and sand in the ratio 3:1:15. How much sand would be needed to make 125 tonnes of concrete?

User Will Hawker
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3 votes

Explanation:

it still remains 125 it doesn't change

Concrete is made by mixing screenings, cement and sand in the ratio 3:1:15. How much-example-1
User Rororo
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