Please Answer.Dont show the work. Just please explain the work and how to get the answer.Water comes out of Leigh's garden hose at a rate of 1 gallon per of a minute. What is the unit rate at which water flows out of Leigh's garden hose? 
 A. of a gallon per 4 minutes 
B. of a gallon per minute 
C. 4 gallons per minute
 D. 9 gallons per 4 minutes