document.write( "Question 567236: Tom and Gary are leaving the same town for a meeting in different cities. However, they have not quite finished discussing a business plan. Tom must leave 1 hours earlier than Gary to make his meeting. Tom heads east on a train at 45 miles per hour. Gary heads west on a train at 70 miles per hour. How long can they talk on their phones if the phones have a range of 280.75 miles? \n" ); document.write( "
Algebra.Com's Answer #366481 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Tom and Gary are leaving the same town for a meeting in different cities. However, they have not quite finished discussing a business plan. Tom must leave 1 hours earlier than Gary to make his meeting. Tom heads east on a train at 45 miles per hour. Gary heads west on a train at 70 miles per hour. How long can they talk on their phones if the phones have a range of 280.75 miles? \n" ); document.write( "** \n" ); document.write( "let x=Gary's travel time(hrs) \n" ); document.write( "x+1=Tom's travel time(hrs) \n" ); document.write( "distance=speed*travel time (both traveling in opposite directions) \n" ); document.write( "70x+45(x+1)=280.75 \n" ); document.write( "70x+45x+45=280.75 \n" ); document.write( "115x=280.75-45=235.75 \n" ); document.write( "x=235.75/115=2.05 hrs \n" ); document.write( "ans: \n" ); document.write( "They can talk on their phones for 2.05 hrs \n" ); document.write( " |