Aposter is shown below: a rectangle is shown. the length of the rectangle is labeled 12 feet. the width of the rectangle is labeled 3 feet.   what are the dimensions if the poster is enlarged by a factor of five over two ? 7.5 ft by 30 ft 15 ft by 60 ft 1.5 ft by 6 ft 15 ft by 6 ft be right if i get this wrong i'll fail ; (