document.write( "Question 1123022: A man realizes he lost the detailed receipt from the store and only has the credit card receipt with the after-tax total. If the after-tax total was $408.12, and the tax rate in the area is 7.4%, what was the pre-tax subtotal? \n" ); document.write( "

Algebra.Com's Answer #739230 by ikleyn(52787) $\"\"$ $\"About$

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document.write( "For the pre-rax subtotal x you have this equation\r\n" );
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document.write( "    x + 0.074x = 408.12  dollars.\r\n" );
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document.write( "    x*(1 + 0.074) = 408.12\r\n" );
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document.write( "    1.074x = 408.12  ====>  x = .\r\n" );
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document.write( "Use your calculator.\r\n" );
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\n" ); document.write( "\n" ); document.write( "On percentage, see the lessons \r
\n" ); document.write( "\n" ); document.write( "    - Percentage problems\r
\n" ); document.write( "\n" ); document.write( "    - Percentage word problems (Type 1 problems, Finding the Part)\r
\n" ); document.write( "\n" ); document.write( "    - Percentage word problems (Type 2 problems, Finding the Rate)\r
\n" ); document.write( "\n" ); document.write( "    - Percentage word problems (Type 3 problems, Finding the Base)\r
\n" ); document.write( "\n" ); document.write( "    - More complicated percentage problems\r
\n" ); document.write( "\n" ); document.write( "    - Problems on percentage that lead to unexpected results\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "They are written specially for you.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in this area.\r
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