The area of a 25 inch tv screen is 300 square inches. the area of a 40 inch tv screen is 768 square inches. the area of the smaller screen is what percent of the area of the larger screen?

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Five infinity stones cost $16.80. what is the price per infinity stone ?

Need me know if option a, b,c are wrong so ik its d