document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=45680>Question 45680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I am struggling with the whole alegbra concept so have two questions:\r<BR>\n" );
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document.write( "1. Eight washington stamps and two lincoln stamps cost $2.80; three washingston stamps and four lincoln stamps cost $2.35; Find the cost of each stamp and show the solution equations?\r<BR>\n" );
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document.write( "2. One number is 18 more than another, and the sum of the smaller number is twice the larger number is 45. What are the two numbers.\r<BR>\n" );
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document.write( "If someone could help I would be very happy. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30356 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=30356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Eight washington stamps and two lincoln stamps cost $2.80; three washingston stamps and four lincoln stamps cost $2.35; Find the cost of each stamp and show the solution equations? \r<BR>\n" );
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document.write( "Let W be the cost of the Washington stamps and L be the cost of the Lincoln.<BR>\n" );
document.write( "EQUATIONS:<BR>\n" );
document.write( "1st: 8W + 2L=280 cents<BR>\n" );
document.write( "2nd: 3W + 4L=235 cents\r<BR>\n" );
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document.write( "Multiply the 1st equation by 2 to get:<BR>\n" );
document.write( "3rd: 16W + 4L = 560<BR>\n" );
document.write( "Subtract the 2nd equation from the 3rd to get:<BR>\n" );
document.write( "4th: 13W=325<BR>\n" );
document.write( "       W= 25 cents (this is the cost of each Washington stamp)<BR>\n" );
document.write( "Substitute this value in 1st or 2nd to find L, as follows:<BR>\n" );
document.write( "3(25)+4L=235<BR>\n" );
document.write( "75+4L=235<BR>\n" );
document.write( "4L=160<BR>\n" );
document.write( "L=40 cents (this is the cost of each Lincoln stamp)<BR>\n" );
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document.write( "2. One number is 18 more than another, and the sum of the smaller number and twice the larger number is 45. What are the two numbers. \r<BR>\n" );
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document.write( "Let the smaller number be \"x\".<BR>\n" );
document.write( "Then the larger number is \"x+18\"<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( " smaller + 2(larger) = 45<BR>\n" );
document.write( "  x + 2(x+18) = 45<BR>\n" );
document.write( "  x + 2x + 36 = 45<BR>\n" );
document.write( "     3x  = 9<BR>\n" );
document.write( "      x  = 3 (this is the smaller number)<BR>\n" );
document.write( "    x+18 = 21 (this is the larger number)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " \r<BR>\n" );
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document.write( " </SPAN>\n" );
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