document.write( "Question 442781: At the end of the day, a storekeeper had $1070 in the cash register, including both the sale of good and the sales tax of 7%. What amount of sales tax had been collected? \n" ); document.write( "
Algebra.Com's Answer #305453 by rwm(914)\"\" \"About 
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x+.07x=1070
\n" ); document.write( "1.07*x=1070
\n" ); document.write( "x=1000
\n" ); document.write( "1070-1000=$70 sales tax
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