Question 864808
Implying rectangle.
x = length
y = width
p = perimeter, 228.


Description means {{{x=y+30))).
Perimeter becomes {{{2x+2y=228}}}
{{{2(y+30)+2y=228}}}
{{{2y+60+2y=228}}}
{{{4y=228-60}}}
{{{4y=168}}}
{{{highlight(y=42)}}}
-
Length, {{{highlight(x=42+30=highlight(72))}}}