Question 1146930
w for width
19-w for length

{{{w(19-w)=70}}}


{{{19w-w^2-70=0}}}

{{{-19w+w^2+70=0}}}

{{{w^2-19w+70=0}}}

{{{w=(19+- sqrt(19^2-4*70))/2}}}

{{{w=(19+- 9)/2}}}

{{{system(w=5, or, w=14)}}}


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length, 14
width, 5
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