document.write( "Question 107756: A teller has 49 $10 and $20 bills in her cash drawer. The value of the bills is $870. How many $10 bills does she have?
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Algebra.Com's Answer #78553 by scott8148(6628)\"\" \"About 
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let x=tens, so 49-x=twenties ... 10(x)+20(49-x)=870 ... 10x+980-20x=870 \n" ); document.write( "
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