If 18 is 15 percent of 35 percent of a certain number, what is the number? Choose the correct choice from the following answers.
A) 9
B) 36
C) 40
D) 300
E) 400
Let the certain number be x.   =&gt; (15/100)*(40/100)*x = 18;   =&gt; x=300;   Ans is (300).
<result>D</result>
If 18 is 15 percent of 35 percent of a certain number, what is the number?