document.write( "Question 1126498: Two truck drivers leave a cafe at the same time, travelling in opposite directions. One truck goes 5 mph faster than the other one. After 4 hr, they are 412 miles apart. How fast is each truck going? \n" ); document.write( "
Algebra.Com's Answer #742828 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Let the slow truck be x \n" ); document.write( "The other truck goes x+5 \n" ); document.write( "4(2x+5) = 412 \n" ); document.write( "8x + 20 = 412 \n" ); document.write( "8x = 392 \n" ); document.write( "x = 49 mph is the speed of the slow truck \n" ); document.write( "49 + 5 = 54 mph is the speed of the fast truck \n" ); document.write( " |