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document.write( "A bus traveled on a level road for
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document.write( "hours at an average speed 20 miles per hour faster than it traveled on a winding road. The time spent on the winding road was
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document.write( "3
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document.write( "hours. Find the average speed on the level road if the entire trip was
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document.write( "364
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document.write( "A bus traveled on a level road for
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document.write( "5
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document.write( "hours at an average speed 20 miles per hour faster than it traveled on a winding road. The time spent on the winding road was
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document.write( "hours. Find the average speed on the level road if the entire trip was
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Algebra.Com's Answer #582462 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! What's the point of using up so much space? \n" ); document.write( ": \n" ); document.write( "A bus traveled on a level road for 5hours at an average speed 20 miles per hour faster than it traveled on a winding road. \n" ); document.write( " The time spent on the winding road was 3 hours. \n" ); document.write( " Find the average speed on the level road if the entire trip was 364 miles. \n" ); document.write( ": \n" ); document.write( "let s = the speed on the winding road \n" ); document.write( "then \n" ); document.write( "(s+20) = the speed on a level road \n" ); document.write( ": \n" ); document.write( "Write a distance equation; dist = time * speed \n" ); document.write( "level dist + winding dist = 364 mi \n" ); document.write( "5(s+20) + 3s = 364 \n" ); document.write( "5s + 100 + 3s = 364 \n" ); document.write( "5s + 3s = 364 - 100 \n" ); document.write( "8s = 264 \n" ); document.write( "s = 264/8 \n" ); document.write( "s = 33 mph on the winding road \n" ); document.write( ": \n" ); document.write( "I'll let you find the speed on the level road, check your solutions in the 1st equation \n" ); document.write( " |