document.write( "Question 483893: Need formula for this problem:How many gallons of water are in a 12 inch pipe 1 mile long? \n" ); document.write( "

Algebra.Com's Answer #331125 by Alan3354(69443) $\"\"$ $\"About$

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$\"Vol+=+pi%2Ar%5E2%2Ah\"$ , r = 6, h = 5280 ft, volume in cubic feet
\n" ); document.write( " $\"Vol+=+190080%2Api\"$ cubic feet
\n" ); document.write( "= 190080*pi*1728 cubic inches
\n" ); document.write( "= 328458240*pi cubic inch
\n" ); document.write( "---------------
\n" ); document.write( "1 gallon =~ 231 cubic inches = 231/1728 cu ft
\n" ); document.write( "Vol = 190080*pi*1728/231 gallons
\n" ); document.write( "Vol =~ 4467022 gallons
\n" ); document.write( "---------------------
\n" ); document.write( "Why do you need to know this?
\n" ); document.write( "We have a system at Charleston SC that has 36\" pipes 2 miles long from the storage tanks to the harbor.
\n" ); document.write( "The volume in the pipes is called \"line pack.\"
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