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