The unit rate means speed of miles in one hour.
Hence 416/8 = 52 mph.
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360 miles in 6 hours
Rate or unit rate in this case is the distance traveled in 1 hour. Rate = distance / time = 3.5 mi / 1.25 hr = 2.8 mile/hour
1800 mi / 30 hr = 60 mi/hr
distance = rate x timetime = distance/ratetime = 270 mi/75 mi/hr = 3.6 mi x hr/mi = 3.6 hr
D=RT (distance = rate * time) We know that: 115 mi = 70 mi/h * T Solving for T we get: 115/70 hours~= 1.64 hours~= 1 hour + 38.57 minutes