document.write( "Question 144604: Two planes leave New York at 10 a.m., one heading for Europe at 900 km/h and one heading in the opposite direction at 300 km/h. At what time will they be 1 400 kn apart? How far has each traveled? \n" ); document.write( "
Algebra.Com's Answer #105340 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 900x+300x=1,400 \n" ); document.write( "1,200x=1,400 \n" ); document.write( "x=1,400/1,200 \n" ); document.write( "x=1.167 hours they will be 1,400 km. apart. \n" ); document.write( "proof: \n" ); document.write( "900*1.167+300*1.167=1,400 \n" ); document.write( "1050+350=1,400 \n" ); document.write( "1,400=1,400 \n" ); document.write( " |