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A train travels 180 miles in 2.5 hours. What is its average speed in miles per hour?

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Answer

\boxed{72 \text{ mph}}

Multiplying the speed by the time ( $72 \times 2.5$ ) gives $180$ miles, which confirms our answer is correct.

Problem: Find the average speed of a train that travels $180$ miles in $2.5$ hours.

Steps

Recall the formula for average speed $\text{Speed} = \frac{\text{Distance}}{\text{Time}}$
Substitute the given values into the formula $\text{Speed} = \frac{180}{2.5}$
Calculate the result $\text{Speed} = 72$

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