Answer:
37.33 mph
Step-by-step explanation:
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The rate when expressed in miles per hour gives us;
37.33 miles per hour
We are given;
28 miles in 3/4 hour
This means that a distance of 28 miles is covered in every 3/4 hour.
Now, we want to express it as a rate in miles per hour
Miles per hour simply means speed.
We know that formula for speed is;
Speed = distance/time
Speed = 28 miles/(3/4 hour)
Speed = (28 × 4)/3
Speed = 37.33 miles per hour
Thus, the rate when expressed in miles per hour is 37.33 miles per hour
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