document.write( "Question 1041528: Larissa took a trip from Brownsville to Montreal, a distance of 830 km. She traveled part of the way by bus and the rest of the way by plane. The bus averaged 40 km/h and the plane 500km/h. The whole trip took 3.5 h. How many hours did she spend travelling by bus \n" ); document.write( "
Algebra.Com's Answer #656478 by jorel555(1290) ![]() You can put this solution on YOUR website! Let n be the amount of time traveled by plane. Then: \n" ); document.write( "500n+40(3.5-n)=830 \n" ); document.write( "500n-40n+140=830 \n" ); document.write( "460n=690 \n" ); document.write( "n=1.5 \n" ); document.write( "Larissa traveled by plane for 1.5 hours, and by bus for 2 hours. ☺☺☺☺ \n" ); document.write( " |