document.write( "Question 810416: a car travels at constant speed from q to r , a distance of 300 km apart . if the driver increases the speed by 5 km/hr , the journey will take 2 hours less .find the original speed of the car. \n" ); document.write( "
Algebra.Com's Answer #488317 by richwmiller(17219)\"\" \"About 
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r*t=d
\n" ); document.write( "r*t=300,
\n" ); document.write( "(r+5)*(t-2)=300
\n" ); document.write( "r = 25, t = 12
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