document.write( "Question 285379: you bike from your house to school, covering a distance of 4km in 20min. What is your average speed? \n" ); document.write( "
Algebra.Com's Answer #206876 by user_dude2008(1862)\"\" \"About 
You can put this solution on YOUR website!
20 min = 20/60 = 1/3 hr\r
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\n" ); document.write( "\n" ); document.write( "d=rt\r
\n" ); document.write( "\n" ); document.write( "4=r(1/3)\r
\n" ); document.write( "\n" ); document.write( "r=12\r
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\n" ); document.write( "\n" ); document.write( "Answer: 12 kph
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