document.write( "Question 114671: A bicyclist rode into the county for 5 hours. In returning her speed was 5mi/h faster and her trip took 4 hours. What was her speed each way? \n" ); document.write( "
Algebra.Com's Answer #83448 by edjones(8007)![]() ![]() You can put this solution on YOUR website! d=st d=dist., s=speed, t=time \n" ); document.write( "st=st \n" ); document.write( "Let s=speed going out. s+5=speed returning \n" ); document.write( "5s=4(s+5) \n" ); document.write( "5s=4s+20 \n" ); document.write( "5s-4s=4s-4s+20 \n" ); document.write( "s=20 mi/h, s+5=25 mi/h \n" ); document.write( "Check: \n" ); document.write( "20*5=25*4 true \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |