# Barb wants to get 8 out of every 10 questions right on her test. If there are 35 questions on the test, how many Barb want to get right?

She will want to get

Cross-multiply:

Divide both sides by 10:

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Barb wants to get 28 questions right on her test.

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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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