document.write( "Question 328280: ortiz travels twice as fast as his brother and therefore makes the 350 mile trip back home in 5 hours less less time. how fast does each drive,and how long does each travel? \n" ); document.write( "
Algebra.Com's Answer #235157 by mananth(16949) You can put this solution on YOUR website! let brother's speed be xmph \n" ); document.write( "Ortiz's speed = 2x \n" ); document.write( ".. \n" ); document.write( "Distance / speed = time \n" ); document.write( "Distance = 350 miles \n" ); document.write( "brother takes 350/x hours \n" ); document.write( ".. \n" ); document.write( "Ortiz takes 350/2x hours \n" ); document.write( ".. \n" ); document.write( "350/x-350/2x = 5 \n" ); document.write( "LCM =2x \n" ); document.write( "700-350 / 2x = 5 \n" ); document.write( "350=2x*5 \n" ); document.write( "350=10x \n" ); document.write( "x=35 brother's speed \n" ); document.write( "Ortiz's speed = 2x = 2*35=70mph \n" ); document.write( " |