SOLUTION: Some amount of coals weighed 100 kg and contained 14.5% water. After some time evaporating, the water was 10%. What was the ratio of the weight of the coals now to the weight of th

Question 986177: Some amount of coals weighed 100 kg and contained 14.5% water. After some time evaporating, the water was 10%. What was the ratio of the weight of the coals now to the weight of the coals before evaporation?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Not without knowing something about the relative density of water and coal. This is a chemistry problem, not an algebra problem. You are on the wrong website.

John

My calculator said it, I believe it, that settles it

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