document.write( "Question 169763: Calculate the number of gallons of paint required to paint the outside walls of a barn that measures 50 feet by 100 feet. Each wall is 12 feet high and each gallon of paint covers 600 square feet.\r
\n" ); document.write( "\n" ); document.write( "The answer I came up with is 8.3 which is wrong.
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Algebra.Com's Answer #125122 by checkley77(12844)\"\" \"About 
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(2*50+2*100)*12
\n" ); document.write( "(100+200)12
\n" ); document.write( "300*12=3,600 ft^2
\n" ); document.write( "3,600/600=6 gallons of paint will be required.
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