729 ml of mixture contains milk and water in the ratio 7:2. How much more water is to be added to get a new mixture containing milk and water in the ratio 7:3?
A600 ml
B710 ml
C520 ml
D81 ml
Answer:
D. 81 ml
Read Explanation:
milk=729x7=567 ml
Water = 729-567-162ml
567/(162+x)=7/3
1134+7x=1701
7x=1701-1134=567
x=81