document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=636335>Question 636335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> rational expressions..I need help with this thank you so very much and have a blessed day.\r<BR>\n" );
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document.write( "19.	One high-speed jet travels 100 miles per hour faster than another. When one plane travels 2000 miles, the other travels 1500 miles. Find the speed of each plane. </SPAN>\n" );
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document.write( "rational expressions..I need help with this thank you so very much and have a blessed day.\r<BR>\n" );
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document.write( "19.	One high-speed jet travels 100 miles per hour faster than another. When one plane travels 2000 miles, the other travels 1500 miles. Find the speed of each plane.\r<BR>\n" );
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document.write( "Let average speed of plane be S<BR>\n" );
document.write( "Then speed of jet = S + 100\r<BR>\n" );
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document.write( "Time jet takes to travel 2,000 miles equals time plane takes to fly 1,500 miles\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2000%2F%28S+%2B+100%29+=+1500%2FS ALIGN=MIDDLE  ALT=\"2000%2F%28S+%2B+100%29+=+1500%2FS\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "1,500(S + 100) = 2000S ----- Cross-multiplying\r<BR>\n" );
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document.write( "1,500S + 150,000 = 2,000S <BR>\n" );
document.write( "– 2,000S + 1,500S = - 150,000 <BR>\n" );
document.write( "– 500S = - 150,000\r<BR>\n" );
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document.write( "S, or average speed of plane = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+150000%29%2F-+500 ALIGN=MIDDLE  ALT=\"%28-+150000%29%2F-+500\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28300%29 ALIGN=MIDDLE  ALT=\"highlight_green%28300%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph\r<BR>\n" );
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document.write( "Jet’s average speed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300+%2B+100 ALIGN=MIDDLE  ALT=\"300+%2B+100\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28400%29 ALIGN=MIDDLE  ALT=\"highlight_green%28400%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
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