A vessel is filled with the liquid,3 parts of which are water and 5 parts syrup,How much of the mixture must be drawn off and replaced with the water ,so that mixture may be half water and half syrup
I have tried:
Totally it contains 8 parts,
3/8 5/8
1/2
1/8 1/8
Ratio is 1:1,for the mixture to become half,what i am doing mistake,is anyone guide me for the Answer,But the answer is 1/5
what i am doing wrong ?