The ratio 10:20 expressed as percent equals to
Choose the correct choice:  A) 50 %  B) 80 %  C) 40 %  D) 90 %  E) 100%
Explanation:   50 %ctually it means 10 is what percent of 20, which can be calculated as,   (10/20)*100 = 10 * 5= 
<gadget id="calculator">10 * 5</gadget>
<output>50</output>
50   50 %nswer: Option 50 %
<result>A</result>
The ratio 10:20 expressed as percent equals to