: find the average speed for the given distance and time. a train travels 75 miles in 55mins.
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: find the average speed for the given distance and time. a train travels 75 miles in 55mins.

[From: ] [author: ] [Date: 12-08-27] [Hit: ]
......
What formula do u use to do this problem?

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The basic formula is

distance = rate x time

You need the rate, so it's

rate = distance/time = 75 miles/55 minutes = 1.3636 miles/minute

Multiply by 60 if you want miles per hour,

rate = 75 miles/55 minutes x 60 minutes/hour = 81.818 miles per hour
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