document.write( "Question 861819: randy bought a pair of blue jeans that cost $30.00. He wrote a check for $32.10. What is the amount of sales tax did he pay and what is the sales tax rate \n" ); document.write( "
Algebra.Com's Answer #519290 by ewatrrr(24785)\"\" \"About 
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amount of sales tax is $2.10
\n" ); document.write( "% is \"100%282.10%2F30%29\" = 7%
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