The amount of water (in ml) that should be added to reduce 9 ml. Lotion, containing 50% alcohol, to a lotion containing 40% alcohol, is?	Choose one
A) 2.25 B) 4.25 C) 5.25 D) 6.25 E) 7.25
4.5 4.5   40% 60%   40% ----- 4.5   60% ------? =&gt; 6.75 - 4.5= 
<gadget id="calculator">6.75 - 4.5</gadget>
<output>2.25</output>
2.25 ml   2.25NSWER:2.25
<result>A</result>
The amount of water (in ml) that should be added to reduce 9 ml. Lotion, containing 50% alcohol, to a lotion containing 40% alcohol, is?