document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129296>Question 1129296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The top three sources of oil imports for the United States in the same year were Saudi Arabia, Mexico, and Canada. The three top countries accounted for 45% of oil imports. The United States imported 1.8 percentage points more from Saudi Arabia than they did from Mexico, and 1.3 percentage points more from Saudi Arabia than they did from Canada. What percent of the United States oil imports were from these three countries? (Round your answers to one decimal place.)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745851 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=745851\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The top three sources of oil imports for the United States in the same year were Saudi Arabia, Mexico, and Canada. The three top countries accounted for 45% of oil imports. The United States imported 1.8 percentage points more from Saudi Arabia than they did from Mexico, and 1.3 percentage points more from Saudi Arabia than they did from Canada. What percent of the United States oil imports were from these three countries? (Round your answers to one decimal place.) <BR>\n" );
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document.write( "Equations:: S + M + C = 0.45<BR>\n" );
document.write( "S = M + 0.018<BR>\n" );
document.write( "S = C + 0.013<BR>\n" );
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document.write( "Substitute and solve for \"S\"::<BR>\n" );
document.write( "S + S-0.018 + S-0.013 = 0.45<BR>\n" );
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document.write( "3S - 0.031 = 0.45<BR>\n" );
document.write( "3S = 0.481<BR>\n" );
document.write( "S = 0.1633..  = 16.33% (percent of oil imported from Saudi Arabia)<BR>\n" );
document.write( "M = 16.33%-1.8% = 14.53% (percent of oil imported from Mexico)<BR>\n" );
document.write( "C = 16.33%-1.3 = 15.03% (percent of oil imported from Canada<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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