document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199952>Question 1199952</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels 65km/h and another car travels 80km/h for t+4 hours.<BR>\n" );
document.write( "Find the expression in simplest form for the sum of distance.<BR>\n" );
document.write( "D travelled by the two cars in terms of t\r<BR>\n" );
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document.write( "Distance = rate x time\r<BR>\n" );
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document.write( "1st car<BR>\n" );
document.write( "distance = d<BR>\n" );
document.write( "rate = 65<BR>\n" );
document.write( "time = t<BR>\n" );
document.write( "d = 65t  {distance = rate x time}\r<BR>\n" );
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document.write( "2nd car<BR>\n" );
document.write( "distance = d<BR>\n" );
document.write( "rate = 80<BR>\n" );
document.write( "time = t + 4<BR>\n" );
document.write( "d = 80(t + 4)   {distance = rate x time}\r<BR>\n" );
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document.write( "Distance of two cars together:<BR>\n" );
document.write( "d = 65t + 80(t + 4)   {added the distances}<BR>\n" );
document.write( "d = 65t + 80t + 320   {used distributive property}<BR>\n" );
document.write( "d = 145t + 320   {combined like terms}  <BR>\n" );
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