document.write( "Question 197463: What is x in the given surface area of a right prism?\r
\n" ); document.write( "\n" ); document.write( "S=320 ft2\r
\n" ); document.write( "\n" ); document.write( "S=2(lw+hl+hw)\r
\n" ); document.write( "\n" ); document.write( "lw= x\r
\n" ); document.write( "\n" ); document.write( "hl= 8 ft\r
\n" ); document.write( "\n" ); document.write( "hw= 6 ft\r
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Algebra.Com's Answer #148215 by Alan3354(69443)\"\" \"About 
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What is x in the given surface area of a right prism?
\n" ); document.write( "S=320 ft2
\n" ); document.write( "S=2(lw+hl+hw)
\n" ); document.write( "lw= x
\n" ); document.write( "hl= 8 ft
\n" ); document.write( "hw= 6 ft
\n" ); document.write( "----------------
\n" ); document.write( "S=2(lw+hl+hw) = 320
\n" ); document.write( "(lw+hl+hw) = 160
\n" ); document.write( "x + 8 + 6 = 160
\n" ); document.write( "x = 144 ft
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