document.write( "Question 1108025: Suppose that a cyclist began a 352
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document.write( "mi ride across a state at the western edge of the state, at the same time that a car traveling toward it leaves the eastern end of the state. If the bicycle and car met after 5.5
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document.write( "hr and the car traveled 32.8
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document.write( "mph faster than the bicycle, find the average rate of each \n" );
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Algebra.Com's Answer #723131 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Suppose that a cyclist began a 352 mi ride across a state at the western edge of the state, at the same time that a car traveling toward it leaves the eastern end of the state. \n" ); document.write( ": \n" ); document.write( " If the bicycle and car met after 5.5 hr and the car traveled 32.8 mph faster than the bicycle, \n" ); document.write( " find the average rate of each \n" ); document.write( ": \n" ); document.write( "let s = the speed of the bike \n" ); document.write( "then \n" ); document.write( "(s+32.8) = the speed of the car \n" ); document.write( ": \n" ); document.write( "Both travel for 5.5 hrs and the sum of their distances is 352 mi \n" ); document.write( "(dist = time * speed) \n" ); document.write( "5.5s + 5.5(s+32.8) = 352 \n" ); document.write( "5.5s + 5.5s + 180.4 = 352 \n" ); document.write( "11s = 352 - 180.4 \n" ); document.write( "11s = 171.6 \n" ); document.write( "s = 171.6/11 \n" ); document.write( "s = 15.6 mph is the speed of the bike \n" ); document.write( "then, obviously \n" ); document.write( "15.6 + 32.8 = 48.4 mph is the speed of the car \n" ); document.write( ": \n" ); document.write( "; \n" ); document.write( "Confirm this, find the distance each traveled \n" ); document.write( "5.5*15.6 = 85.8 mi \n" ); document.write( "5.5*48.4 = 266.2 mi \n" ); document.write( "-------------------- \n" ); document.write( "total dist: 352.0 \n" ); document.write( " |