If 90 percent of 600 is 50 percent of x, then x=?	Choose one
A) 100
B) 1000
C) 1080
D) 1020
E) 1200
0.9 * 600 = 0.5 * x   x = 9/5 * 600= 
<gadget id="calculator">9/5 * 600</gadget>
<output>1_080</output>
1080
<result>C</result>
If 90 percent of 600 is 50 percent of x, then x=?