30 is subtracted from a number, it is reduced to its one third. What is the value of 50% of that number?
Choose the correct choice:
A) 22.5  B) 84  C) 21  D) 24  E) 25
2/3 x = 30 =&gt; x = 45   45 * 1/2= 
<gadget id="calculator">45 * 1/2</gadget>
<output>45/2 = around 22.5</output>
22.5   22.5NSWER:22.5
<result>A</result>
30 is subtracted from a number, it is reduced to its one third. What is the value of 50% of that number?