document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=327434>Question 327434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with writing an equation for this word problem: A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the price of the non food item. If the total bill is  $5.15 including $0.18 in tax on the toy ball, what are the prices of the fruit and the ball?\r<BR>\n" );
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document.write( "What I have come up with so far is: I am using x = grapefruit<BR>\n" );
document.write( "                                               y = ball<BR>\n" );
document.write( "                                    total bill   = $5.15<BR>\n" );
document.write( "So I did this: x + y = $5.15<BR>\n" );
document.write( "          and  x + y(.08) = $5.15  I'm not sure if this is correct equations or what, as of now I am at a loss. Thank you for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #234627 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=234627\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> two unknowns means two equations\r<BR>\n" );
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document.write( ".07b = .18\r<BR>\n" );
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document.write( "g + 1.07b = 5.15\r<BR>\n" );
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document.write( "solve the 1st equation for b , then substitute the value into the 2nd equation to find g </SPAN>\n" );
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