document.write( "Question 209362This question is from textbook Core-Plus Mathematics
\n" ); document.write( ": The time required for a race car to complete a 400 mile race is inversely proportional to the average speed that the car maintains. Express the relationship between race time and average speed in two equivalent forms. \n" ); document.write( "
Algebra.Com's Answer #158271 by Alan3354(69443)\"\" \"About 
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t = 400/r (r is speed in mph, t = time in hours)
\n" ); document.write( "400 = rt
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