# It costs $4 to enter the fair. Each ride costs $2.50 You have $21.50. How many rides can you go on?

You can go on

The individual is limited to the same number of rides.

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With $21.50 and each ride costing$2.50, you can go on (21.50 - 4) / 2.50 = 8 rides.

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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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