document.write( "Question 888603: Mario Andretti won his only Indianapolis 500-mile race in 1969, in a time of 3.19 hours.What was his average speed in miles per hour, rounded to the nearest tenth? \n" ); document.write( "
Algebra.Com's Answer #537496 by harpazo(655)\"\" \"About 
You can put this solution on YOUR website!
D = rt\r
\n" ); document.write( "\n" ); document.write( "500 = r(3.19)\r
\n" ); document.write( "\n" ); document.write( "500/3.19 = r\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "156.73 = r\r
\n" ); document.write( "\n" ); document.write( "Rounded to the nearest tenths, the rate or speed is 156.70.
\n" ); document.write( "
\n" );