document.write( "Question 30677: Find t when p=8000 and f=4000
\n" ); document.write( "\"p=f%2F%281%2Bt%29\"
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Algebra.Com's Answer #17412 by blubunny01(20)\"\" \"About 
You can put this solution on YOUR website!
First, substitute the variables for the numbers:\r
\n" ); document.write( "\n" ); document.write( "\"8000=4000%2F%281%2Bt%29\"\r
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\n" ); document.write( "\n" ); document.write( "Next, isolate the variable:\r
\n" ); document.write( "\n" ); document.write( "\"8000%281%2Bt%29=4000\"
\n" ); document.write( "[multiply both sides by (1+t)]\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2Bt%29=%284000%2F8000%29\"
\n" ); document.write( "[divide both sides by 8000]\r
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\n" ); document.write( "\n" ); document.write( "\"t+=+%284000%2F8000%29-1\"
\n" ); document.write( "[subtract 1 from both sides]\r
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\n" ); document.write( "\n" ); document.write( "Then, simplify:\r
\n" ); document.write( "\n" ); document.write( "\"t+=+%281%2F2%29-1\"
\n" ); document.write( "[simplify the fraction]\r
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\n" ); document.write( "\n" ); document.write( "\"t+=+-1%2F2\"
\n" ); document.write( "[subtract the numbers]
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