document.write( "Question 157700: ( the radius of the cylinder is 10 ft and its altitude measures 24 ft)
\n" ); document.write( " If 1 gallon of paint covers 300 ft2, how many gallons are needed to paint the surface if it requires three coats?
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Algebra.Com's Answer #116205 by jojo14344(1513)\"\" \"About 
You can put this solution on YOUR website!
Let's see the \"Area%5Bcyl%5D=2%28pi%29r%5E2%2B2%28pi%29%28r%29%28h%29\"
\n" ); document.write( "\"r=10ft\", \"h=24ft\"
\n" ); document.write( "\"A%5Bcyl%5D=2%28pi%2910%5E2%2B2%28pi%29%2810%29%2824%29\"
\n" ); document.write( "\"A%5Bcyl%5D=200%28pi%29%2B480%28pi%29\"
\n" ); document.write( "\"A%5Bcyl%5D=680%28pi%29ft%5E2\", TOTAL SURFACE AREA to be painted
\n" ); document.write( "No. of gallon in 1 coat:
\n" ); document.write( "\"%28680%28pi%29cross%28ft%5E2%29%29%281gal%2F300cross%28ft%5E2%29%29\"
\n" ); document.write( "\"7.121gal\" ------> 1 coat
\n" ); document.write( "Since 3 coats: \"7.121gal%2A3=21.36gal\" -----> for 3 coats
\n" ); document.write( ": USE \"22+GAL\" PAINT
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo
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