document.write( "Question 1149562: estimate a 15% tip on a dinner bill of 41.67 by first rounding the bill amount to the nearest ten dollars. \n" ); document.write( "
Algebra.Com's Answer #770899 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "(1) Round the bill to $40.

\n" ); document.write( "(2) 10% or $40 is $4; 5% is half of that, or $2.

\n" ); document.write( "(3) So the approximate 15% tip is $4 + $2 = $6.

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