document.write( "Question 228582: how many gallons of varnish are required to apply two coats to a 15 foot by 20 foot wood floor if a gallon covers 200 square feet on the first coat and 300 square feet on the second coat? \n" ); document.write( "
Algebra.Com's Answer #169651 by Wolvstein(7)![]() ![]() ![]() You can put this solution on YOUR website! Are of the floor: 15x20 \n" ); document.write( " = 300 sq.ft\r \n" ); document.write( "\n" ); document.write( "For the first coat: 1 gallon covers 200 sq. ft so that would be one gallon. \n" ); document.write( "Now 300-200= 100. We're left with 100 sq. ft. 1/2 gallon for that. \n" ); document.write( "That makes 1.5 gallon for the first coat.\r \n" ); document.write( "\n" ); document.write( "For the second coat: 1 gallon of varnish covers 300 square feet on the second coat so we only need 1 gallon. \n" ); document.write( " \n" ); document.write( "Now we add both: 1.5+1=2.5 gallons required in total. \n" ); document.write( " |