Question 280333
{{{PerimeterOfRectangle = 2*Length + 2*Width}}}
{{{Length = 3*Width - 70}}}

{{{380 = 2*(3*Width -70) + 2*Width}}}
{{{380 = 6*Width - 140 +2*Width}}}
{{{520 = 8*Width}}}
{{{65 = Width}}}
{{{Length = 3*65 - 70 = 125}}}
Check answer.Does 2*125 +2*65 = 380???