595 units in half hour
One hour has 60 minutes
half hour has (60 minutes)/2=30 minutes
595 units in half hour
Rule of three
595 units in 30 minutes
x in 1 minutes
x=(595 units)*(1 minute)/(30 minutes)
x=19.83333333 units
x=19.8 units
Almost 20 units per minute
