document.write( "Question 968230: \r
\n" ); document.write( "\n" ); document.write( "in 1989 solar and wind energy generation totaled 1024 trillion btu's.wind
\n" ); document.write( "generated 52 trillion btu's more than 8 times that generated by solar energy.
\n" ); document.write( "how much was generated by ea. source?
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Algebra.Com's Answer #591709 by checkley77(12844)\"\" \"About 
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W=8S+52
\n" ); document.write( "1024=S+8S+52
\n" ); document.write( "9S=1024-52
\n" ); document.write( "9S=972
\n" ); document.write( "S=972/9=108 BTUS FOR SOLAR.
\n" ); document.write( "W=8*108+52=916 BTUS FOR WIND.
\n" ); document.write( "PROOF:
\n" ); document.write( "1024=972+108
\n" ); document.write( "1024=1024
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