85 kg of a mixture containing milk and water in the ratio 27:7. How much more water is to be added to get a new mixture containing milk and water in the ratio 3:1?	Choose the correct choice from the following:
A) 10kg  B) 7kg  C) 5kg  D) 9kg  E) 3kg
Milk in 85kg of mix = 85*27/34 = 135/2 kg   Water in it= 85-135/2 = 35/2 kg   Let x kg of water be added to it.   (135/2)/(35/2 + x) = 3/1   x=5kg   Answer is 5kg
<result>C</result>
85 kg of a mixture containing milk and water in the ratio 27:7. How much more water is to be added to get a new mixture containing milk and water in the ratio 3:1?