document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1163902>Question 1163902</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In baseball, the equation E=9R/I gives a pitcher's earned run average E, where R is the number of earned runs the player's allowed and I is the number of innings pitched<BR>\n" );
document.write( "A. Solve the equation for I. State an properly or provide an explanation for each step<BR>\n" );
document.write( "B. Last leason, a pitcher had an earned run average of 2.80 and allowed 70 earned runs. How many innings did the pitcher pitch last season?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #788216 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=788216\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> E=9R/I<BR>\n" );
document.write( "I=9R/E. Multiply both sides by I and then divide both sides by E.\r<BR>\n" );
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document.write( "2.8=9*70/I<BR>\n" );
document.write( "2.8I=630<BR>\n" );
document.write( "I=225 innings\r<BR>\n" );
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document.write( "Can check by converting 225 innings to games which is 225/9 or 25<BR>\n" );
document.write( "25 games, 70 ER per game, 2.8 ERA. </SPAN>\n" );
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