Me asap 16

which estimation could be used to make sure the answer is reasonable? daniel had 5.25 feet of pipe for a project. he bought another 7.5 feet to complete it. he only used 9.25 feet for the project. how much pipe did daniel have left over? a. the amount left over was 22 feet. estimation: 5.25 + 7.5 is about 13. 13 feet + 9 feet = 22 feet the amount left over was about 22 feet. b. the amount left over was 5.75 feet. estimation: 5.25 + 7.5 is about 14. 14 feet - 9 feet = 5 feet the amount left over was a little more than 5 feet. c. the amount left over was 3.5 feet. estimation: 5.25 + 7.5 is about 13. 13 feet – 9 feet = 4 feet the amount left over was about 4 feet.