document.write( "Question 1159341: hello, how are you? i need a help please :
\n" ); document.write( "Driving at a speed of 40 km / h, you need half an hour to reach the home. With what speed do you have to drive to get home in 20 minutes?
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Algebra.Com's Answer #782337 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"40%281%2F2%29=d=r%281%2F3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"40%2F2=r%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"20%2A3=r\"\r
\n" ); document.write( "\n" ); document.write( "\"r=60\"
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