document.write( "Question 707841: Use the formula d=rt to find the value of the missing variable.\r
\n" ); document.write( "\n" ); document.write( "D=180 miles, r= 60mph\r
\n" ); document.write( "\n" ); document.write( "T= _____ hr
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Algebra.Com's Answer #435871 by jim_thompson5910(35256)\"\" \"About 
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d = rt\r
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\n" ); document.write( "\n" ); document.write( "180 = 60*t\r
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\n" ); document.write( "\n" ); document.write( "180/60 = t\r
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\n" ); document.write( "\n" ); document.write( "3 = t\r
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\n" ); document.write( "\n" ); document.write( "t = 3\r
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\n" ); document.write( "\n" ); document.write( "So t = 3 hours
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