How many minutes does it take to travel 120 miles at 400 mil

How many minutes does it take to travel 120 miles at 400 miles per hour ?

Solution

How many minutes does it take to travel 120 miles at 400 miles per hour ?
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time = distance /rate
time = 120 miles/400 mph
time = 3/10 hrs
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3/10 hr. = (3/10)(60 min) = 18 minutes