document.write( "Question 899320: a person clims to the top of a mountain at the rate of 1.5 km per hour an ddown the sam way at the rate of 4.5 km per hour. if he was gone for 6 hours, how far did he travel from camp to the top of the moutain? \n" ); document.write( "
Algebra.Com's Answer #545562 by ankor@dixie-net.com(22740)\"\" \"About 
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a person climbs to the top of a mountain at the rate of 1.5 km per hour an down the same way at the rate of 4.5 km per hour.
\n" ); document.write( " if he was gone for 6 hours, how far did he travel from camp to the top of the mountain?
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\n" ); document.write( "let d = the distance from camp to top of mountain
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\n" ); document.write( "Write a time equation, time = dist/speed
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\n" ); document.write( "Time up + time down = 6 hrs
\n" ); document.write( "\"d%2F1.5\" + \"d%2F4.5\" = 6
\n" ); document.write( "get rid of the denominators, multiply by 4.5
\n" ); document.write( "4.5*\"d%2F1.5\" + 4.5*\"d%2F4.5\" = 4.5*6
\n" ); document.write( "Cancel the denominators
\n" ); document.write( "3d + d = 27
\n" ); document.write( "4d = 27
\n" ); document.write( "d = 27/4
\n" ); document.write( "d = 6.75 km to the top of the mountain
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\n" ); document.write( "Check this, find the actual time each way
\n" ); document.write( "6.75/1.5 = 4.5 hrs
\n" ); document.write( "6.75/4.5 = 1.5 hrs
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\n" ); document.write( "total time: 6 hrs
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