How much 60% of 50 is greater than 30% of 30?	Choose the correct choice from the following.
A) 21  B) 91  C) 11  D) 17  E) 12
(60/100) * 50 – (30/100) * 30   30 - 9= 
<gadget id="calculator">30 - 9</gadget>
<output>21</output>
21   21nswer: 21
<result>A</result>
How much 60% of 50 is greater than 30% of 30?