Question 755435
If you call one of the pieces {{{ x }}}, the other
will be {{{ 3x }}}
Now you can say:
{{{ x + 3x = 240 }}}
{{{ 4x = 240 }}}
{{{ x = 60 }}}
and
{{{ 3x = 180 }}}
-------------
The pieces are 60 in and 180 in