document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=791153>Question 791153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me solve this?<BR>\n" );
document.write( "Type of Problem: Applications of Linear Systems\r<BR>\n" );
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document.write( "Solve the problem by using a system of equations.<BR>\n" );
document.write( "Amy can buy 3 sandwiches and 4 iced teas for $22.25. She can buy 1 sandwich and 3 iced teas for $9.50. Find the cost for 1 sandwich and 1 iced tea. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #479405 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=479405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x + 4y = 22.25<BR>\n" );
document.write( "x + 3y = 9.50<BR>\n" );
document.write( "solve second equation for x<BR>\n" );
document.write( "x = 9.50 -3y<BR>\n" );
document.write( "substitute in equation 1<BR>\n" );
document.write( "3*(9.50-3y) +4y = 22.25<BR>\n" );
document.write( "28.50 -9y +4y = 22.25<BR>\n" );
document.write( "-5y = -6.25<BR>\n" );
document.write( "y = 1.25<BR>\n" );
document.write( "x = 9.50 -3*(1.25) = 5.75<BR>\n" );
document.write( "therefore a sandwich costs $5.75 and iced tea costs $1.25\r<BR>\n" );
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document.write( " </SPAN>\n" );
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