document.write( "Question 258761: jacqui commutes 30 miles to her job each day. She finds that if she drives 10 miles/hour faster, it takes her 6 minutes less to get to work .find her new speed \n" ); document.write( "
Algebra.Com's Answer #190482 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! rt=30 \n" ); document.write( "t=30/r \n" ); document.write( "(r+10)(t-1/10)=30 \n" ); document.write( "(r+10)(30/r-1/10)=30 \n" ); document.write( "r=50 \n" ); document.write( "new speed 50+10=60 \n" ); document.write( "60(t-1/10)=30 \n" ); document.write( "t=3/5=36/60= 36 minutes \n" ); document.write( "t-1/10=new time 30 minutes \n" ); document.write( " |