document.write( "Question 857894: A rectangle is four inches longer than it is wide. Its area is 30 square inches. What are the length and width of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #516904 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! Rarely does a teacher ask a question where the sides of a rectangle come out to decimals. \n" ); document.write( "L * W = Area \n" ); document.write( "Typically the sides would be the factors of 30. \n" ); document.write( "30,1 \n" ); document.write( "15,2 \n" ); document.write( "10,3 \n" ); document.write( "6,5 \n" ); document.write( "None of those fit with the L = W+4 information. Would you double-check your posting? \n" ); document.write( "Otherwise, what we have is: \n" ); document.write( "L * W = 30 \n" ); document.write( "L = W + 4 \n" ); document.write( "(W + 4) * W = 30 \n" ); document.write( "W^2 + 4W = 30 \n" ); document.write( "W≈3.830951894845 \n" ); document.write( ". \n" ); document.write( "Can you see why I think one of the question's numbers must be wrong? :-) \n" ); document.write( " |