document.write( "Question 1046003: Jet left Edmonton at 4:00 P.M. traveling west at 116 km/h. one hour later ( 5:00 PM ) Ahmed left Edmonton travelling east at 84 km/h. At what time will they be 316 km apart? \n" ); document.write( "
Algebra.Com's Answer #661508 by josmiceli(19441)\"\" \"About 
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How far does Jet get in the 1st hour?
\n" ); document.write( "\"+d%5B1%5D+=+116%2A1+\"
\n" ); document.write( "\"+d%5B1%5D+=+116+\"
\n" ); document.write( "Let \"+t+\" = time in hrs after Ahmed leaves
\n" ); document.write( "until they meet. Start a stopwatch when Ahmed leaves
\n" ); document.write( "Let \"+d+\" = distance in km that Ahmed travels
\n" ); document.write( "until they meet
\n" ); document.write( "------------------------
\n" ); document.write( "Ahmed's equation:
\n" ); document.write( "(1) \"+d+=+84t+\"
\n" ); document.write( "Jet's equation:
\n" ); document.write( "(2) \"+316+-+d+-+116+=+116t+\"
\n" ); document.write( "----------------------------
\n" ); document.write( "Plug (1) into (2)
\n" ); document.write( "(2) \"+316+-+84t+-+116+=+116t+\"
\n" ); document.write( "(2) \"+200t+=+200+\"
\n" ); document.write( "(2) \"+t+=+1+\"
\n" ); document.write( "-----------------
\n" ); document.write( "5 PM + 1 = 6 PM
\n" ); document.write( "They will be 316 mi apart at 6 PM
\n" ); document.write( "---------------------------------
\n" ); document.write( "check:
\n" ); document.write( "(1) \"+d+=+84t+\"
\n" ); document.write( "(1) \"+d+=+84%2A1+\"
\n" ); document.write( "(1) \"+d+=+84+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+316+-+d+-+116+=+116t+\"
\n" ); document.write( "(2) \"+316+-+d+-+116+=+116%2A1+\"
\n" ); document.write( "(2) \"+200+-+d+=+116+\"
\n" ); document.write( "(2) \"+d+=+84+\"
\n" ); document.write( "OK\r
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