Question 732715
Set up a proportion:
( actual height ) / ( actual width ) = ( scaled height ) / ( scaled width )
Call the scaled height {{{ h }}} inches
{{{ 80 / 60 = h / 9 }}}
{{{ 4 / 3 = h / 9 }}}
Multiply both sides by {{{ 9 }}}
{{{ 12 = h }}}
The scaled height is (D) 12 inches