document.write( "Question 1057438: ms.thomas drove at a constant rate for 40 minutes. she drove 39 miles during that time. if distance is determined by the equation d=rt where r is the constant rate in miles per hour, what was ms.thomas constant rate? \n" ); document.write( "

Algebra.Com's Answer #672511 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Convert munutes to hours
\n" ); document.write( "[ min ] * [ hrs / min ] = [ hrs ]
\n" ); document.write( " $\"+40%2A%28+1%2F60+%29+=+2%2F3+\"$ hrs
\n" ); document.write( "---------------------------
\n" ); document.write( " $\"+d+=+r%2At+\"$
\n" ); document.write( " $\"+r+=+d%2Ft+\"$
\n" ); document.write( " $\"+r+=+39%2F%282%2F3%29+\"$
\n" ); document.write( " $\"+r+=+%28+3%2F2%29%2A39+=+58.5+\"$
\n" ); document.write( "His rate was 58.5 mi/hr\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );