document.write( "Question 1140052: Hello guys and gals! I have a lot of trouble with word problems. Can anyone help me set up and solve this one? Thank you.\r
\n" ); document.write( "\n" ); document.write( "During the first part of a​ trip, Adrian drove 40 miles at a certain speed. Adrian drives another 40 miles on the second part of the trip at a speed 5 mph faster. Driving time for the entire trip was 77 mins. Find the rate at which Adrian drove during the first part of the trip.
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Algebra.Com's Answer #760496 by josgarithmetic(39617)\"\" \"About 
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\n" ); document.write( "Adrian drove 40 miles at a certain speed. Adrian drives another 40 miles on the second part of the trip at a speed 5 mph faster. Driving time for the entire trip was 77 mins. Find the rate at which Adrian drove during the first part of the trip.
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\n" ); document.write( "\n" ); document.write( "\"RT=D\"
\n" ); document.write( "rate R
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\n" ); document.write( "\n" ); document.write( "77 minutes is same as \"77%2F60\"\"hours\".
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document.write( "                 SPEED              TIME           DISTANCE\r\n" );
document.write( "firstpart         r                 40/r              40\r\n" );
document.write( "secondpart       r+5                40/(r+5)          40\r\n" );
document.write( "TOTAL                               77/60\r\n" );
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\n" ); document.write( "That analysis of the problem description should help you, and you can now continue.
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