document.write( "Question 852587: A train leaves the station at noon. The train is 180 miles from its destination at 12:45 p.m. and 90 miles from its destination at 2:15 p.m.
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document.write( "How far is the station from the destination?
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document.write( "At what time will the train reach the destination? \n" );
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Algebra.Com's Answer #513641 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! A train leaves the station at noon. \n" ); document.write( " The train is 180 miles from its destination at 12:45 p.m. and 90 miles from its destination at 2:15 p.m. \n" ); document.write( "How far is the station from the destination? \n" ); document.write( "At what time will the train reach the destination? \n" ); document.write( ": \n" ); document.write( "From the information given, we can draw a time/dist line \n" ); document.write( "Noon--------------12:45---------90----------2:15----------90-----------* \n" ); document.write( ": \n" ); document.write( "Find the speed using the 1.5 hrs from 12:45 to 2:15 covers 90 mi \n" ); document.write( "s = \n" ); document.write( "Find the dist traveled from noon to 12:45, .75 hrs \n" ); document.write( "d = .75(60) \n" ); document.write( "d = 45 mi \n" ); document.write( "Find the total dist \n" ); document.write( "45 + 90 + 90 = 225 mi \n" ); document.write( "Find the total time \n" ); document.write( "t = \n" ); document.write( "t = 3.75 hrs which is 3 hr & 45 min \n" ); document.write( "Find the arrival time \n" ); document.write( "noon + 3:45 = 3:45 PM \n" ); document.write( " |