document.write( "Question 871841: I'm really in need of help!
\n" ); document.write( "Mike drove for 3 hours at a certain rate and for 4 hours at a rate 10 kph faster. If his total distance covered was 495 km, then what was his slower rate?
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Algebra.Com's Answer #525744 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
3r + 4*(r+10) = 495
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