Question 1126929
Let {{{ x }}} = the width
{{{ 4x }}} = the length
{{{ P = 2L + 2W }}}
{{{ P = 2*4x + 2x }}}
{{{ 30 = 8x + 2x }}}
{{{ 10x = 30 }}}
{{{ x = 3 }}}
and
{{{ 4x = 12 }}}
It is a 3 x 12 rectangle