document.write( "Question 999171: two motorcyclists start at the same point and travel in opposite directions. one travels 8 mph faster than the other. in 7 hours they are 448 miles apart. how fast is each traveling? \n" ); document.write( "

Algebra.Com's Answer #616954 by mananth(16946) $\"\"$ $\"About$

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\n" ); document.write( "Rick's speed x mph
\n" ); document.write( "Mike's speed = x+ 8 mph
\n" ); document.write( "..
\n" ); document.write( "They are moving away from each other
\n" ); document.write( "
\n" ); document.write( "So add up their speed.
\n" ); document.write( "
\n" ); document.write( "combined speed = x+ x+ 8
\n" ); document.write( "( 2 x + 8 )
\n" ); document.write( "Time = 7 hours
\n" ); document.write( "Distance = 448 miles
\n" ); document.write( "Distance = speed * time
\n" ); document.write( "( 2 x 8 )* 7 = 448
\n" ); document.write( "14.00 x + 56 = 448
\n" ); document.write( "14 x = 448 + -56
\n" ); document.write( "14 x = 392
\n" ); document.write( "/ 14
\n" ); document.write( "x= 28 mph
\n" ); document.write( "Rick's speed = 28 mph
\n" ); document.write( "Mike's speed = 28 + 8 = 36 mph
\n" ); document.write( "m.ananth@hotmail.ca
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