document.write( "Question 86315: A bicyclist rode into the country for 5 h. In returning , her speed was 5 mi/h faster and the trip tool 4 h.What washer speed each way? \n" ); document.write( "
Algebra.Com's Answer #62414 by scianci(186)![]() ![]() ![]() You can put this solution on YOUR website! distance = (rate)(time) \n" ); document.write( "her distance is the same coming and going \n" ); document.write( "(rate)(time) for the trip out = (rate)(time) for the trip back \n" ); document.write( "5x = 4(x + 5) \n" ); document.write( "5x = 4x + 20 \n" ); document.write( "5x - 4x = 20 \n" ); document.write( "x = 20 MPH on the trip out \n" ); document.write( "x + 5 = 20 + 5 = 25 MPH on the trip back \n" ); document.write( " |