someone
quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh.

what is the total length, in feet, of the actual walkway?

numerical answers expected!

answer for blank 1:

  108 ft

Step-by-step explanation:

The total length in inches of the perimeter of the model is ...

  7 in + 3 in + 3 in + 5 in = 18 in

The total length of the walkway will have the same ratio to this perimeter that the corresponding sides have:

  EF/AB = 42 ft/(7 in) = (walkway length)/(18 in)

Multiplying by 18 in, we get ...

  walkway length = (42 ft)(18 in)/(7 in)

  walkway length = 108 ft

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