document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1170584>Question 1170584</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Megan Ada has 25 bills in 20-peso and 50-peso denominations. The total amount she has is Php 950. How many of each kind of bill does she have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #795488 by </B><A HREF=/tutors/aboutme.mpl?userid=akumpo><B>akumpo(8)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=akumpo><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=akumpo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=795488\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t be the number of 20 peso bills, and f the number of 50 peso bills.<BR>\n" );
document.write( "t+f=25<BR>\n" );
document.write( "20t+50f=950\r<BR>\n" );
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document.write( "Using system of equations we can find our answer. Multiply the first equation by 20 to get 20t+20f=500. Then, subtract the two equations to get rid of t.\r<BR>\n" );
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document.write( "This now turns into: 30f=450<BR>\n" );
document.write( "Divide both sides by 30 to get f=15\r<BR>\n" );
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document.write( "Plug f into the first equation to get a value of 10 for t.<BR>\n" );
document.write( "There are 10 20 peso bills, and 15 50 peso bills.\r<BR>\n" );
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document.write( "CHECK<BR>\n" );
document.write( "t+f=25<BR>\n" );
document.write( "10+15=25<BR>\n" );
document.write( "TRUE<BR>\n" );
document.write( "20t+50f=950<BR>\n" );
document.write( "20*10+50*15=950<BR>\n" );
document.write( "200+750=950<BR>\n" );
document.write( "TRUE </SPAN>\n" );
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