document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=269198>Question 269198</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem.\r<BR>\n" );
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document.write( "The perimeter of triangle PQR is at least 50. If y=7, what do we know about the values of x?\r<BR>\n" );
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document.write( "The given information is that side RQ=22, RP= 4x+2y, and PQ=18.  </SPAN>\n" );
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document.write( "The perimeter of triangle PQR is at least 50. If y=7, what do we know about the values of x? <BR>\n" );
document.write( "The given information is that side RQ=22, RP= 4x+2y, and PQ=18. \r<BR>\n" );
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document.write( "The perimeter is the sum of the lengths of the 3 sides. In this case then we have:\r<BR>\n" );
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document.write( "Perimeter = 22 + 18 + (4x + 2y)<BR>\n" );
document.write( "Perimeter = 22 + 18 + 4x + 2*7<BR>\n" );
document.write( "Perimeter = 40 + 4x + 14<BR>\n" );
document.write( "Perimeter = 54 + 4x\r<BR>\n" );
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document.write( "Since the Perimeter is at least 50 we have:\r<BR>\n" );
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document.write( "54 + 4x >= 50\r<BR>\n" );
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document.write( "4x >= 50 - 54<BR>\n" );
document.write( "4x >= -4<BR>\n" );
document.write( "x >= -1 </SPAN>\n" );
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