Question 1193297
and what do you want?



Length is 2w+1 for width w.

Area was given as 15 square centimeters.


{{{w(2w+1)=15}}}


{{{2w^2+w-15=0}}}

{{{w=(-1+sqrt(1^2-4*2*(-15)))/(2*2)}}}

{{{w=(-1+sqrt(121))/(2*2)}}}

{{{w=(-1+11)/(2*2)}}}

{{{w=10/(2*2)}}}

{{{w=5/2}}}

{{{highlight(w=2&1/2)}}}