Find the length of each model. Then find the scale factor use image to help.

2 in=15 ft 87ft

Length of the model =  11.6 inch

Scale factor = .

Solution:

Given 87 feet.

2 inch  = 15 feet

To find the length of the model:

Do cross multiplication.

inch

Length of the model =  11.6 inch

Let us first change the unit as same.

1 feet = 12 inches

15 feet  = 15 × 12 = 180 inches

Hence scale factor = .