document.write( "Question 24163: I am trying to convert this problem from decimals to whole numbers and solve it. But everytime I do I get this answer instead of 8\r
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document.write( "Equation 0.2(s+0.2)+0.5(s-0.4)=5.44\r
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document.write( "my work converting decimals to whole numbers (multiply by 100)
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document.write( "20s+400+50s-2000=544
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document.write( "70s-1600=544 (544+1600=2144)
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document.write( "70s=2144
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document.write( "s=30.628
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document.write( "The answer should be 8, what am I doing wrong here? \n" );
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Algebra.Com's Answer #12855 by AnlytcPhil(1806)![]() ![]() You can put this solution on YOUR website! I am trying to convert this problem from decimals to whole numbers and solve\r\n" ); document.write( "it. But everytime I do I get this answer instead of 8 \r\n" ); document.write( "Equation 0.2(s+0.2)+0.5(s-0.4)=5.44 \r\n" ); document.write( "my work converting decimals to whole numbers (multiply by 100)\r\n" ); document.write( "20s+400+50s-2000=544\r\n" ); document.write( "70s-1600=544 (544+1600=2144)\r\n" ); document.write( "70s=2144\r\n" ); document.write( "s=30.628\r\n" ); document.write( "The answer should be 8, what am I doing wrong here?\r\n" ); document.write( "\r\n" ); document.write( "Your mistake is that you did not remove all the parentheses first,\r\n" ); document.write( "before converting decimals to whole numbers. Leave the decimals\r\n" ); document.write( "until you have removed all parentheses. Then convert to whole\r\n" ); document.write( "numbers\r\n" ); document.write( "\r\n" ); document.write( " 0.2(s + 0.2) + 0.5(s - 0.4) = 5.44\r\n" ); document.write( " 0.2s + 0.04 + 0.5s - 0.2 = 5.44 \r\n" ); document.write( " \r\n" ); document.write( "Now multiply through by 100 and you'll get s = 8\r\n" ); document.write( "\r\n" ); document.write( "Edwin\r\n" ); document.write( "AnlytcPhil@aol.com\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |