document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1142825>Question 1142825</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If A= 3r^2h^2, and (rh) increases by 100%, then the new A is how many times greater than the old A?<BR>\n" );
document.write( "A)2<BR>\n" );
document.write( "B) 3<BR>\n" );
document.write( "C) 4<BR>\n" );
document.write( "D) 12 </SPAN>\n" );
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document.write( "A = 3r^2h^2 = 3(rh)^2<br><BR>\n" );
document.write( "An increase of 100% in the value of (rh) means the value doubles.  When that doubled value is squared, the new area is 4 times the old area.<br><BR>\n" );
document.write( "The question asks how many times GREATER the new A is than the old A.  4 times AS LARGE AS is a 300% INCREASE, which is 3 TIMES LARGER THAN.<br><BR>\n" );
document.write( "So the grammatically correct answer is 3 (answer choice B).  But it is very possible that an answer key for this problem will incorrectly say 4 (choice C). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );