document.write( "Question 450071: if it takes 5 quarts to paint a 10m by 30m wall, how many quarts will it take to paint a 30m by 90m wall? \n" ); document.write( "

Algebra.Com's Answer #309645 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( " if it takes 5 quarts to paint a 10m by 30m wall(300m^2 area), 
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document.write( "how many quarts will it take to paint a 30m by 90m(2700m^2 area) wall
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document.write( "Let x be the number of qts needed for 2700m^2 wall.\r
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document.write( "Question sets Up the Proportion
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document.write( "  5/300 = x/2700   | Cross Multiplying 
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document.write( "  300x = 5*2700
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document.write( "     x = 5*2700/300
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document.write( "     x = 45 qt\r
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document.write( "CHECKING our Answer***
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document.write( "1/60 = 45/2700 \r
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