# What is the average speed of a train that traveled 543 kilometers in 6 hours?

Distance traveled divided by time taken equals average speed.

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To find the average speed, divide the total distance traveled by the total time taken. So, the average speed of the train is ( \frac{543 \text{ km}}{6 \text{ hours}} = 90.5 \text{ km/h} ).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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