How much 60% of 50 is greater than 40% of 30?
Pick one:	A) 18	B) 99	C) 77	D) 66	E) 12
(60/100) * 50 – (40/100) * 30   30 - 12= 
<gadget id="calculator">30 - 12</gadget>
<output>18</output>
18ch 60% of 50 is greater than 40% of 30?   18nswer:18
<result>A</result>
How much 60% of 50 is greater than 40% of 30?