What is the scale factor?

Scale Factor: 1 : 2

X = 11

Explanation:

3 / 3 = 1

6 / 3 = 2

The scale factor should be 1:2

So 'X' should be 11 since 5.5 * 2 = 11

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.