document.write( "Question 1118332: they traveled the first 70 miles at a constant rate of speed for the remainder of the trip they ran into bad weather, and had to reduce speed by 30 mph for the last 12 miles of the trip. The trip took 2 hours. Find the rate of speed for each part of the trip. \n" ); document.write( "
Algebra.Com's Answer #733616 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! This is a trip of how many - two parts?\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " SPEED TIME DISTANCE\r\n" ); document.write( "\r\n" ); document.write( "FirstPart r 70/r 70\r\n" ); document.write( "\r\n" ); document.write( "LastPart r-30 12/(r-30) 12\r\n" ); document.write( "\r\n" ); document.write( "ALL 2\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solve for r and evaluate r-30;\r \n" ); document.write( "\n" ); document.write( " |