If a mixture is 2⁄7 alcohol by volume and 3⁄7 water by volume, what is the ratio of the volume of alcohol to the volume of water in this mixture? Select.
A) 3 B) 1/3 C) 2/3 D) 3/5 E) 4/5
Should be a sub-600 level Q..   volume= {2/7}/{3/7}=2/3   2/3
<result>C</result>
If a mixture is 2⁄7 alcohol by volume and 3⁄7 water by volume, what is the ratio of the volume of alcohol to the volume of water in this mixture?