Raymond B. answered 04/28/21
Math, microeconomics or criminal justice
12 miles at 4 mph is a 3 hour trip
12/4 = 3
distance = rate of speed times time
d=rt or t=d/4 =12/4 = 3 hours
return trip took 12/6 = 2 hours
It took 1 hour longer to go to the island than to return