Question

A model of a building is 8 inches tall. If the actual building is going to be 72 feet,

What is the scale factor in inches to feet?

Answer 1

`(1)/(9)\ (in)/(ft)`

Explanation:

we know that

To find out the scale factor divide the corresponding dimensions of the model by the corresponding dimensions of the actual

so

`(8)/(72)\ (in)/(ft)`

simplify

`(1)/(9)\ (in)/(ft)`

That means

1 inch in the model represent 9 feet in the actual