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Algebra
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Kayla has a rectangler garden that measures 10 m wide by 13 m long. He wants to increase  the area to 208 m by increasing the width and length by same amount. What will be the length (longer dimension) of the new garden.?

Mar 6th, 2015

Assuming the width and length are increased by x, 

Then (10+x)(13+x)=208

         10*13+23x+x^2=208

         x^2+23x-78=0

         (x+26)(x-3)=0

So x=3

Therefore the length of the new garden is 3+13=16 m.


Mar 6th, 2015

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