document.write( "Question 247203: Amanda went to the book sale. She bought two books and paid with a $10.00 bill. One book was a dollar more than the other and she got back 1.02 as change. How much did each book cost? \n" ); document.write( "
Algebra.Com's Answer #180391 by richwmiller(17219)\"\" \"About 
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10.00-1.02=8.98
\n" ); document.write( "a=b+1
\n" ); document.write( "a+b=8.98
\n" ); document.write( "substitute b+1 for a
\n" ); document.write( "b+1+b=8.98
\n" ); document.write( "2b+1=8.98
\n" ); document.write( "2b=7.98
\n" ); document.write( "b=7.98/2
\n" ); document.write( "b=3.99 tax included
\n" ); document.write( "a=4.99 tax included
\n" ); document.write( "check
\n" ); document.write( "3.99+4.99=8.98
\n" ); document.write( "8.98=8.98
\n" ); document.write( "ok\r
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