In 1991, the separation between

goalpost uprights in college football changed from 23 feet 4 inches to 18 feet 6 inches. What percent reduction was this?
(accurate to tenths)

2 answers

23.3333 - 18.5 = 4.8333

4.8333/23.3333= 0.2071 = 20.7%
Question answered. Thank you.