document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178572>Question 1178572</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two rectangular prisms are constructed. One measures 4cm times 6cm times x cm and the other measures 3cm times 8cm times y cm where both x and y are integers. If they have equal surface area, what is the smallest possible value of x+y? </SPAN>\n" );
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document.write( "Two rectangular prisms are constructed. One measures 4cm times 6cm times x cm and the other measures 3cm times 8cm times y cm where both x and y are integers. If they have equal surface area, what is the smallest possible value of x+y?\r<BR>\n" );
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document.write( "Surface area 1 = S1  (4,6,x)<BR>\n" );
document.write( "Surface area of second = s2    (3,8,y)\r<BR>\n" );
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document.write( "S1=s2\r<BR>\n" );
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document.write( "S = 2( lw +wh +lh)\r<BR>\n" );
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document.write( "2(4*6+6*x+4*x) = 2(3*8+8*y+3y)\r<BR>\n" );
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document.write( "24+10x=24+11y\r<BR>\n" );
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document.write( "10x=11y\r<BR>\n" );
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document.write( "x/y = 11/10\r<BR>\n" );
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document.write( "x+y =21 </SPAN>\n" );
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