Question

There is a train that travels from Seattle, Washington, to Los Angeles, California. In its first `2` hours, the train went about `80` miles, including stops. At this rate, how far does the train travel per hour?

Answer 1

Answer:

  40 miles

Step-by-step explanation:

At this rate, it travels 80 miles per 2 hours, or 40 miles per 1 hour.

The train's travels 40 miles per hour.

Answer 2

Taking into account the definition of speed, you get that the average speed of the train is 40 miles per hour.

What is speed

It is necessary to know that speed ​​is a physical quantity that expresses the relationship between the space traveled by an object and the time used for it.

In other words, speed can be defined as the amount of space traveled per unit of time with which a body moves and can be calculated using the expression:

$Speed=\frac{distancetraveled}{time}$

Speed of the train

In this case, you know:

• distance traveled= 80 miles
• time= 2 hours

Replacing these values ​​in the speed definition:

$Speed=\frac{80 miles}{2 hours}$

Solving:

Speed= 40 $\frac{miles}{hour}$

In summary, the average speed of the train is 40 miles per hour.

Learn more about average speed:

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