document.write( "Question 320842: If a car traveled for 3 hours at /r/mph and increased the speed by 10 mph and traveled for 1 more hour, how far did the car travel? \n" ); document.write( "
Algebra.Com's Answer #229778 by ankor@dixie-net.com(22740)\"\" \"About 
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If a car traveled for 3 hours at /r/mph and increased the speed by 10 mph and traveled for 1 more hour, how far did the car travel?
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\n" ); document.write( "Dist = speed * time
\n" ); document.write( "therefore
\n" ); document.write( "dist traveled in 3 hr at r mph = 3r
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\n" ); document.write( "dist traveled in 1 hr at (r+10) = 1(r+10)
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\n" ); document.write( "Total dist = 3r + (r+10)
\n" ); document.write( "Total Dist = 4r+10, traveled in 4 hrs
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