document.write( "Question 116829: The Randolphs used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was used during each month? \n" ); document.write( "

Algebra.Com's Answer #84936 by josmiceli(19441) $\"\"$ $\"About$

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Sept $\"f\"$
\n" ); document.write( "Oct $\"f+%2B+12\"$
\n" ); document.write( "Nov $\"2f\"$
\n" ); document.write( "Fuel used for the 3 months
\n" ); document.write( " $\"f+%2B+f+%2B+12+%2B+2f\"$
\n" ); document.write( " $\"f+%2B+f+%2B+12+%2B+2f+=+132\"$ gal
\n" ); document.write( " $\"4f+%2B+12+=+132\"$
\n" ); document.write( " $\"4f+=+120\"$
\n" ); document.write( " $\"f+=+30\"$ gal
\n" ); document.write( "Sept $\"30\"$
\n" ); document.write( "Oct $\"42\"$
\n" ); document.write( "Nov $\"60\"$
\n" ); document.write( "check answer
\n" ); document.write( "Does 30 + 42 + 60 = 132? yes
\n" ); document.write( "OK \n" ); document.write( "

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