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 8% sugar. What percentage of the gallon is dye? Choose the most appropriate option.
A) 6 B) 6.4 C) 7.5 D) 8 E) 24
The proportion of Dye and sugar will remain constant.   Dye/Sugar = (4/9)/(5/9) = x/8   =&gt; 4/5 = x/8 =&gt; x = 4*8/5= 
<gadget id="calculator">4*8/5</gadget>
<output>32/5 = around 6.4</output>
6.4   Answer is 6.4
<result>B</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 8% sugar. What percentage of the gallon is dye?