# Stacy and Travis are rock climbing. Stacy's rope is 4 feet shorter than 3 times Travis' rope. Her rope is 23 ft long. How long is Travis rope?

65 feet

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Let ( x ) be Travis' rope length.

( 3x - 4 = 23 )

( 3x = 27 )

( x = 9 )

Travis' rope is 9 feet long.

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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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