document.write( "Question 208207: At 1:30, an airplane leaves Tucson for Baltimore, a distance of 2240 miles. The plane flies at 280 miles per hour. A second airplane leaves Tucson at 2:15 pm and is scheduled to land in Baltimore 15 minutes before the first airplane. At what rate must the second airplane travel to arrive on schedule?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #157552 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! At 1:30 an airplane leaves Tucson for Baltimore, a distance of 2240 miles. \n" ); document.write( " The plane flies at 280 miles per hour. \n" ); document.write( " A second airplane leaves Tucson at 2:15 pm and is scheduled to land in Baltimore \n" ); document.write( " 15 minutes before the first airplane. \n" ); document.write( "At what rate must the second airplane travel to arrive on schedule? \n" ); document.write( ": \n" ); document.write( "Find the travel time of the 1st airplane \n" ); document.write( " \n" ); document.write( "should arrive at Baltimore in 8 hrs, at 9:30 \n" ); document.write( "therefore \n" ); document.write( "The 2nd plane, 15 min earlier, should arrive at 9:15 \n" ); document.write( "2nd plane travel time: 9:15 - 2:15 = 7 hrs \n" ); document.write( ": \n" ); document.write( "Find the speed of the 2nd plane \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |