jeremy can row 1/3 of a mile in 1/4 of an hour.what is the unit rate

Jeremy rows 1/3 of a mile in 1/4 of an hour.
The unit rowing rate is
1/3 mile ÷ 1/4 hour
= (1/3)*(4/1) miles/hour
=4/3 miles/hour
=1.333 miles/hour (approx.)