document.write( "Question 1132400: Bill wastes 9 hours and receives a 60% on an Algebrat test. How many hours did Bill waste if he receives a 90%? Assume time wasted is inversely proportional to an Algebra test grade. \n" ); document.write( "
Algebra.Com's Answer #749419 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
60% means 0.6.
\n" ); document.write( "90% means 0.9.\r
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\n" ); document.write( "\n" ); document.write( "Inverse variation wanted, so for time x \"wasted\" and k proportionality constant, score y,\r
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\n" ); document.write( "\n" ); document.write( "\"0.6k=1%2F9\"\r
\n" ); document.write( "\n" ); document.write( "\"k=1%2F%280.6%2A9%29\"\r
\n" ); document.write( "\n" ); document.write( "\"k=1%2F5.4\"\r
\n" ); document.write( "\n" ); document.write( "\"k=5%2F27\"\r
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\n" ); document.write( "\n" ); document.write( "Model can be \"highlight_green%281%2Fx=k%2Ay%29\".\r
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\n" ); document.write( "\n" ); document.write( "If score were 0.9, then
\n" ); document.write( "\"x=1%2F%28k%2A0.9%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=27%2F%285%2A0.9%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=27%2F4.5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=6\"----------wasted 6 hours
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