Question 1083206
x, width of the walkway surrounding the garden


Garden Area, {{{6*9}}}
Total Area Garden AND walkway, {{{(6+2x)(9+2x)}}}
Just the walkway area, {{{(6+2x)(9+2x)-6*9}}}



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If the area of the walkway is 23 m^2 less than the garden,...
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{{{(6+2x)(9+2x)-6*9=6*9-23}}}------Simplify this and solve for x; and choose the solution which makes sense.