document.write( "Question 105986: Which form would you find most convenient to use to calulate a tip of 20% on a meal that cost$45.00? \n" ); document.write( "
Algebra.Com's Answer #77105 by edjones(8007)\"\" \"About 
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double the bill and move the decimal point one place to the left.
\n" ); document.write( "45*2=90 so the tip is $9.
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