document.write( "Question 842220: A rectangle has a length which is 7 ft less than three times the width. The area is 348 square feet. What are the dimensions \n" ); document.write( "

Algebra.Com's Answer #507442 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "A rectangle has a length which is 7 ft less than three times the width. 
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document.write( "The area is 348 square feet
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document.write( "A = lw
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document.write( " (3x-7)x = 348ft^2
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document.write( "  3x^2 - 7x - 348 = 0    |format a^2 + bx + c = 0
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document.write( "  x = 12ft, the width  (throwing out negative solution for unit measure
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document.write( "and length is 29ft    
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document.write( "CHECKING our answer***
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document.write( "  12ft•29ft = 348ft^2
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document.write( "Wish You the Best in your Studies.
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