document.write( "Question 503641: At the end of the day, a storekeeper had $1638 in the cash register, including both the sale of goods and the sales tax of 4%. What amount of sales tax had been collected? \n" ); document.write( "
Algebra.Com's Answer #339331 by oberobic(2304)\"\" \"About 
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t = sales
\n" ); document.write( ".04t = sales tax
\n" ); document.write( "1.04t = total money collected
\n" ); document.write( ".
\n" ); document.write( "1.04t = 1638
\n" ); document.write( ".
\n" ); document.write( "t = 1638/1.04
\n" ); document.write( ".
\n" ); document.write( "t = 1575 sales
\n" ); document.write( ".
\n" ); document.write( ".04t = 1638-1575 = 63
\n" ); document.write( ".
\n" ); document.write( "Always check your work.
\n" ); document.write( ".
\n" ); document.write( ".04(1575) = 63
\n" ); document.write( "Correct.
\n" ); document.write( ".
\n" ); document.write( "Re-read the question to be sure you answer it.
\n" ); document.write( "What amount of sales tax was collected? $63.
\n" ); document.write( ".
\n" ); document.write( "Done.\r
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