document.write( "Question 780570:  You are traveling down the interstate averaging 50mph. How much time bass passed when you have traveled 120 miles?\r
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document.write( "I have tried this problem by setting up a proportion I had (1/50 and the 120/x ) I ended up getting 6000 as my answer it doesn’t seem quite reasonable. \n" );
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| Algebra.Com's Answer #475640 by Alan3354(69443)     You can put this solution on YOUR website! You are traveling down the interstate averaging 50mph. How much time bass passed when you have traveled 120 miles?\r \n" ); document.write( "\n" ); document.write( "I have tried this problem by setting up a proportion I had (1/50 and the 120/x ) I ended up getting 6000 as my answer it doesn’t seem quite reasonable. \n" ); document.write( "------------------- \n" ); document.write( "d = r*t \n" ); document.write( "t = d/r \n" ); document.write( "t = 120/50 \n" ); document.write( "t = 2.4 hours \n" ); document.write( "================= \n" ); document.write( "setting up a proportion I had (1/50 and the 120/x ) \n" ); document.write( "--- \n" ); document.write( "When you use proportions, include the units. \n" ); document.write( "--- \n" ); document.write( "(1/50 and the 120/x ) \n" ); document.write( "1 hr/50 mi = 120 mi/x hr \n" ); document.write( "The units don't match --> something's wrong. \n" ); document.write( "50 mi/1 hr = 120 mi/x hr \n" ); document.write( "50x = 120 \n" ); document.write( "x = 2.4 hours\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |