document.write( "Question 218153: If the temperatur on the fahrenheit scale if F degrees and on Celcius scale is C degress, then C=5/9(F-32). What is the set of values of F if C is between 10 and 20?
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Algebra.Com's Answer #164323 by alicealc(293)\"\" \"About 
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C = 5/9 * (F - 32)\r
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\n" ); document.write( "\n" ); document.write( "If C = 10, then
\n" ); document.write( "10 = 5/9 * (F- 32)
\n" ); document.write( "10 * 9/5 = F - 32
\n" ); document.write( "90/5 = F - 32
\n" ); document.write( "18 = F - 32
\n" ); document.write( "18 + 32 = F
\n" ); document.write( "50 = F\r
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\n" ); document.write( "\n" ); document.write( "If C = 20, then
\n" ); document.write( "20 = 5/9 * (F- 32)
\n" ); document.write( "20 * 9/5 = F - 32
\n" ); document.write( "180/5 = F - 32
\n" ); document.write( "36 = F - 32
\n" ); document.write( "36 + 32 = F
\n" ); document.write( "68 = F\r
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\n" ); document.write( "\n" ); document.write( "So, if C is between 10 and 20 then F is between 50 and 68
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