document.write( "Question 94898: Science and medicine. A bicyclist rode into the country for 5 h. In returning, her
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document.write( "speed was 5 mi/h faster and the trip took 4 h. What was her speed each way? \n" );
document.write( "
Algebra.Com's Answer #69085 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bicyclist rode into the country for 5 h. In returning, her \n" ); document.write( "speed was 5 mi/h faster and the trip took 4 h. What was her speed each way? \n" ); document.write( "------------------- \n" ); document.write( "Into the country DATA: \n" ); document.write( "Time = 5 hrs. ; Rate = x mph ; Distance = 5x miles \n" ); document.write( "---------------------- \n" ); document.write( "Return trip DATA: \n" ); document.write( "Time = 4 hrs. ; Rate = (x+5) mph ; Distance = 4(x+5) miles \n" ); document.write( "----------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "distance to = distance back \n" ); document.write( "5x = 4(x+5) \n" ); document.write( "5x = 4x+20 \n" ); document.write( "x = 20 mph (speed into the country) \n" ); document.write( "x+5 = 25 mph ( speed on return trip) \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |