document.write( "Question 1141759: im began a 240​-mile bicycle trip to build up stamina for a triathlete competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 8 hours. If Jim walks at a rate of 4 miles per hour and rides at 36 miles per​ hour, find the amount of time he spent on the bicycle. \n" ); document.write( "
Algebra.Com's Answer #762373 by ankor@dixie-net.com(22740)\"\" \"About 
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im began a 240​-mile bicycle trip to build up stamina for a triathlete competition.
\n" ); document.write( "​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking.
\n" ); document.write( " The whole trip took 8 hours.
\n" ); document.write( " If Jim walks at a rate of 4 miles per hour and rides at 36 miles per​ hour, find the amount of time he spent on the bicycle.
\n" ); document.write( ":
\n" ); document.write( "let t = his time riding on the bike
\n" ); document.write( "then
\n" ); document.write( "(8-t) = time walking
\n" ); document.write( ":
\n" ); document.write( "Write a distance equation, dist = speed * time
\n" ); document.write( "36t + 4(8-t) = 240
\n" ); document.write( "36t + 32 - 4t = 240
\n" ); document.write( "36t - 4t = 240 - 32
\n" ); document.write( "32t = 208
\n" ); document.write( "t = 208/32
\n" ); document.write( "t = 6.5 hrs on the bike
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check this, find actual dist for each (he walked 8-6.5 = 1.5 hrs)
\n" ); document.write( "6.5 * 36 = 234 mi
\n" ); document.write( "1.5 * 4 = 6 mi
\n" ); document.write( "------------------
\n" ); document.write( "total dist: 240 mi
\n" ); document.write( " \n" ); document.write( "
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