Find the unit rate Jason drives 180 miles in 4 hours and Ali drives 90 miles in 1.7 hours

Jason drives 90 miles per hour, while Ali drives about 52 miles per hour.

(180 over 4 divided by 4/4 = 90 miles per hour. 90 over 1.7 divided by 1.7/1.7 rounds to 52 miles per hour.)