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Walter is mixing cement for his new patio. He knows he needs to use a water-to-cement ration of 20-30. What percent of his total mixture is water?

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vlopez20

It would be 20% because they asked for  water to cement ratio of 20-30 and since they asked for water and water comes before cement then you pick the first number and that is 20 and all you do is turn it into a percent which is 20%


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