Exits on an interstate are numbered consecutively The distance between exit 20 and 21 is 3.3 miles The distance between exits 21 and 22 is 1.2 miles farther than the distance between exits 20 and 21 The distance between exit 21 and 23 is 3.8 miles farther than the distance between exit 20 and 22 The distance between 22 and 23 is:
