# Kerry walks 3 miles each day. How far will she walk in 7 days?

it is a ratio and proportion problem

God bless....I hope the explanation is useful.

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Kerry will walk ( 3 \times 7 = 21 ) miles in 7 days.

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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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