document.write( "Question 897647: Jake drives his car 70 miles in 90 minutes. What is his average speed? \n" ); document.write( "
Algebra.Com's Answer #544205 by Alan3354(69443)\"\" \"About 
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Jake drives his car 70 miles in 90 minutes. What is his average speed?
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t
\n" ); document.write( "r = 70 mi/90 min
\n" ); document.write( "r = 7/9 miles/minute
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