Question
There is a mixture of 70 liters of apple juice and water
in a vessel. The ratio of apple juice to water is 3:4. If 21 liters of the mixture is taken out and 6 liters of water is added, then approximately what percentage will be the water in the final mixture?Solution
Total mixture of Apple juice and water = 70 Let the mixture contain apple juice =3x and water = 4x 3x + 4x = 70 X = 10 So now – 
 (and 6 liters of water is added then) Now the percentage of water in the total mixture = (42/63) ×100 =200/3 = 66.66%
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