document.write( "Question 855946: Greg drove at a constant speed in a rainstorm for 280 miles. He took a break, and the rain stopped. He then drove 215 miles at a speed that was 8 miles per hour faster than his previous speed. If he drove for 13 hours,the cars speed for each part of the trip? \n" ); document.write( "
Algebra.Com's Answer #515777 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! r*t=d \n" ); document.write( "r*a=280 \n" ); document.write( "(r+8)*b=215 \n" ); document.write( "a+b=13 \n" ); document.write( "a = 8, b = 5, r = 35 r+8=43 \n" ); document.write( "check \n" ); document.write( "35*8=280 \n" ); document.write( "ok \n" ); document.write( "check \n" ); document.write( "43*5=215 \n" ); document.write( "ok\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |