Answer: Pretty sure 8 feet and 3 inches
Step-by-step explanation: I think this because 40 inches is 3 feet and 4 inches 5'4 - 2 feet is 3'4 so their is a 2 feet difference so the shadow is 75 inches long which is equal to 6'3 so you do 6'3+2feet you get you answer 8 feet 3 inches