Mathematics - Other
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A man running at an average rate of 6 miles per hour runs 1/6 of the way to the railroad station in 15 minutes and walks the rest of the way. How many hours would it take him to walk the entire distance at an average rate of 4 miles per hour?
a. 2/3
b. 1
c. 5/3
d. 9/4
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Let the distance to the station be d miles.
By data, d/6 miles are ...
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