You want to match your school's long jump record of 17 feet 8 1/4 inches. Your best long jump so far is 15 feet 11 3/4 inches. How much farther do you need to jump to match the school record

1 foot and 8.5 inches

Step-by-step explanation:

record: 17ft 8.25 in

yours: 15ft 11.75in +.5 in = 16 ft. 25 in

now that yours is 16 ft and. 25 inches all you have to add is 1ft and 8 inches which adds up to be 1ft and 8.50 inch