document.write( "Question 1180439: The rectangular plot of land shown in the figure is to be fenced along three sides using 35 feet of fencing. No fencing is to be placed along the river's edge. The area of the plot is 150 square feet. What are its dimensions?\r
\n" ); document.write( "\n" ); document.write( " a. 15 ft by 10 ft or 20 ft by 7.5 ft
\n" ); document.write( " b. 30 ft by 5 ft or 20 ft by 7.5 ft
\n" ); document.write( " c. 15 ft by 10 ft
\n" ); document.write( " d. 20 ft by 7.5 ft
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Algebra.Com's Answer #810107 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Showing the figure would be a good idea, which you did not do.\r
\n" ); document.write( "\n" ); document.write( "The fence for sides x, x, and y:
\n" ); document.write( "\"x%2Bx%2By=35\", and for the given area, \"xy=150\".\r
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\n" ); document.write( "\n" ); document.write( "\"system%282x%2By=35%2Cxy=150%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2835-2x%29=150\"\r
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\n" ); document.write( "\"2x%5E2-35x%2B150=0\"\r
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\n" ); document.write( "\n" ); document.write( "If use general solution for quadratic equation, the solution which makes sense is \"system%28highlight%28x=10%29%2Chighlight%28y=15%29%29\".
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