You could either find the unit rate (miles per minute) or set up and solve a ratio:
2 1/3 miles 7/3 miles
--------------- = -------------- = 2/3 mile / min
3 1/2 min 7/2 min
How far in 44 minutes? Multiply:
(2/3 mile per minute) (44 min) = 29 1/3 mile in 44 minutes
In one hour?
60 minutes
--------------- * (2/3) (mile/min) = 40 miles (answer for 1 hour)
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