document.write( "Question 719172: im trying to solve this problem 3km - 150m= can you showme step bye step on how to do it and how do you come up with the answer \n" ); document.write( "
Algebra.Com's Answer #441219 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "first, \"1km=1000m\"\r
\n" ); document.write( "\n" ); document.write( "\"+3km+-+150m=3000m-150m=2850m\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"1m=0.001km\"\r
\n" ); document.write( "\n" ); document.write( "\"+3km+-+150m=3000m-150%2A0.001km=3km-0.15km=2.85km\"
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