# Dmitri was working on a mixture whose weight comprise of 90% liquid and 10% solid. The total weight of the.............

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Dmitri was working on a mixture whose weight comprise of 90% liquid and 10% solid. The total weight of the mixture is 20 pound. After a while, Dmitri noticed that some of the liquid evaporated and now the liquid comprise just 50% of the weight.

What is the weight of the mixture now?

posted Jun 13, 2017

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4 pounds.
We start with 20 pounds of mixture means 18 pounds liquid and 2 pounds solid. After evaporation of the liquid, solid left=liquid left= 2 lbs. meaning total weight=4 pounds

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