document.write( "Question 936648: A woman bought 65 lb. of fertilizer to spread over her rectangular backyard. if she spread it at a rate of 20 lb. to 1000 ft. and the length of the yard exceeds the width by 10 ft., what were the dimensions of the yard?\r
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document.write( "This is a word problem in a certain chapter in our book which deals all about Quadratic Equations. I hope you could help me out. Thanks. \n" );
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Algebra.Com's Answer #570108 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A woman bought 65 lb. of fertilizer to spread over her rectangular backyard. if she spread it at a rate of 20 lb. to 1000 ft. and the length of the yard exceeds the width by 10 ft., what were the dimensions of the yard? \n" ); document.write( "------- \n" ); document.write( "width = w ft \n" ); document.write( "length = w+10 ft \n" ); document.write( "----- \n" ); document.write( "Area = w(w+10) = w^2 + 10w sq. ft. \n" ); document.write( "-------------------------- \n" ); document.write( "Assuming that the 65 lb of fertilizer covers her yard, \n" ); document.write( "area of yard = 65/(20 lb/1000 ft) = (65/20)*1000 = 3250 sq yds \n" ); document.write( "------------- \n" ); document.write( "Equation: \n" ); document.write( "w^2 + 10w - 3250 = 0 \n" ); document.write( "w = 175.35 ft(width) \n" ); document.write( "w+10 = 185.35 ft (length) \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |