document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=12221>Question 12221</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help:  I would appreciate any assistance in these two problems I am loss on how to do these.\r<BR>\n" );
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document.write( "To pass a course with a B grade, a student must have an average of 80 or greater.  A student's grades on three tests are 78, 80, and 90.  Set up and solve an inequality to find what score the student must get on the next test to get a B average or better.\r<BR>\n" );
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document.write( "An employment agency specializing in temporary construction help pays heavy equipment operators $129 per day and general laborers $92 per day.  On a particular day 43 people were hired and the total payroll was $4474.  \r<BR>\n" );
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document.write( "Thank you,\r<BR>\n" );
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document.write( "Pat </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6202 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=6202\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let next test score = x\r<BR>\n" );
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document.write( "So average of the 4 tests will be (78+80+90+x)/4 which is (248+x)/4.\r<BR>\n" );
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document.write( "This has to be greater than 80 for a B-grade, so \r<BR>\n" );
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document.write( "(248+x)/4 >= 80 is the inequality and is solved as follows...\r<BR>\n" );
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document.write( "248+x >= 80*4<BR>\n" );
document.write( "248+x >= 320<BR>\n" );
document.write( "x >= 320 - 248<BR>\n" );
document.write( "x >= 72\r<BR>\n" );
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document.write( "jon.<BR>\n" );
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