document.write( "Question 397186: You and a friend are 4.5kilometers away from each other. Walking toward each other, the two of you meet in a half hour. Your walking speed is twice as fast as your friends. What is your friends walking speed? \n" ); document.write( "
Algebra.Com's Answer #281546 by lwsshak3(11628)\"\" \"About 
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You and a friend are 4.5kilometers away from each other. Walking toward each other, the two of you meet in a half hour. Your walking speed is twice as fast as your friends. What is your friends walking speed?\r
\n" ); document.write( "\n" ); document.write( "let x=friend's walking speed
\n" ); document.write( "2x=your walking speed
\n" ); document.write( "distance=speed*time of travel
\n" ); document.write( "time of travel=1/2 hour
\n" ); document.write( "distance =4.5 kilometers\r
\n" ); document.write( "\n" ); document.write( "(1/2)x+(1/2)2x=4.5
\n" ); document.write( "(3/2)x=4.5
\n" ); document.write( "x=9/3=3
\n" ); document.write( "ans:your friend's walking speed is 3km/hr
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