On mars, an object weighs 60% of its weight on earth. shane weighs 125 pounds on earth. select all statements that are true about shane's weight. answer choices a: shane's weight on mars is less than his weight on earth. b: shane weighs 200 pounds on mars. c: the ratio of shane's earth weight to his mars weight is represented by the total squares to the shaded squares. d: the ratio of shane's mars weight to his earth weight is represented by the shaded squares to unshaded squares.