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  • 14-09-2022
  • Mathematics
contestada

The tree house will be 8 feet off the ground. Peter will
hang a rope, with knots tied for foot holds. Each knot
uses an additional 2 inches of rope. Write an expression
for the length of the rope needed if Peter ties n knots and
wants the rope to touch the ground. How many inches of
rope are needed if there are 8 knots?

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