If 40% of a certain number is 160, then what is 30% of that number?	Choose the correct option:  A) 270  B) 380  C) 120  D) 360  E) 180
Explanation:   40% = 40*4= 
<gadget id="calculator">40*4</gadget>
<output>160</output>
160   30%= 30*4= 
<gadget id="calculator">30*4</gadget>
<output>120</output>
120   Answer: Option 120
<result>C</result>
If 40% of a certain number is 160, then what is 30% of that number?