document.write( "Question 1078524: Starting at the same point, Jack and Jill go hiking in opposite directions. If Jack hikes at a speed of 15 miles per hour, and Jill hikes at a speed of 9 miles per hour, how far apart will they be in 3 hours? \n" ); document.write( "

Algebra.Com's Answer #692950 by Fombitz(32388) $\"\"$ $\"About$

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Not nice that he'd leave her alone, but Jack was always kind of a jerk.
\n" ); document.write( "Rate*Time=Distance
\n" ); document.write( " $\"R%5B1%5D%2At=D%5B1%5D\"$
\n" ); document.write( " $\"R%5B2%5D%2At=D%5B2%5D\"$
\n" ); document.write( " $\"D%5B2%5D-D%5B1%5D=R%5B2%5D%2At-R%5B1%5D%2At\"$
\n" ); document.write( " $\"D%5B2%5D-D%5B1%5D=%28R%5B2%5D-R%5B1%5D%29t\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"D%5B2%5D-D%5B1%5D=%2815-9%293\"$
\n" ); document.write( " $\"D%5B2%5D-D%5B1%5D=6%2A3\"$
\n" ); document.write( " $\"D%5B2%5D-D%5B1%5D=18\"$
\n" ); document.write( "18 miles apart.
\n" ); document.write( " \n" ); document.write( "

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