document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1198476>Question 1198476</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the 20th term of the arithmetic sequence  in which A6=70 and A9=91.<BR>\n" );
document.write( "One of the following is the correct answer. Which one?\r<BR>\n" );
document.write( "\n" );
document.write( "A) 1061<BR>\n" );
document.write( "B) 263<BR>\n" );
document.write( "C) 175<BR>\n" );
document.write( "D) 168<BR>\n" );
document.write( "E) 133 </SPAN>\n" );
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document.write( "A9 is A6 plus the common difference 9-6=3 times:<br><BR>\n" );
document.write( "91=70+3d<BR>\n" );
document.write( "21=3d<BR>\n" );
document.write( "d=7<br><BR>\n" );
document.write( "A20 is A9 plus the common difference 20-9=11 times:<br><BR>\n" );
document.write( "91+11(7)=91+77=168<br><BR>\n" );
document.write( "ANSWER D)<br><BR>\n" );
document.write( " </SPAN>\n" );
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