Four-ninths of a drink mix is dye and the rest is sugar. When the mix is added to water a gallon of drink is made that is 10% sugar. What percentage of the gallon is dye?	Options:  A) 6  B) 6.5  C) 7.5  D) 8  E) 24
The proportion of Dye and sugar will remain constant.   8ye/Sugar = (4/9)/(5/9) = x/10   =&gt; 4/5 = x/10 =&gt; x = 4*10/5= 
<gadget id="calculator">4*10/5</gadget>
<output>8</output>
8   Answer is 8
<result>D</result>
Four-ninths of a drink mix is dye and the rest is sugar. When the mix is added to water a gallon of drink is made that is 10% sugar. What percentage of the gallon is dye?