document.write( "Question 347738: The Sheng family had dinner at their favorite restaurant. A 10% sales tax was added to their bill. amy paid the bill with a $20 gift certificate plus $23.5. How much did the family's dinner cost before tax? Round your answer to the nearest penny. \n" ); document.write( "
Algebra.Com's Answer #248615 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"b\" = bill before tax
\n" ); document.write( "\"b+%2B+.1b+=+20+%2B+23.5\"
\n" ); document.write( "\"1.1b+=+43.5\"
\n" ); document.write( "\"b+=+39.54\" is the cost before tax
\n" ); document.write( "
\n" );