Question

A professional model maker is building a giant scale model of a house fly to be used in a science fiction film. An actual fly is about .2 inches long with a wingspan of about .5 inches. The model fly for the movie will be 27 feet long. What will its wingspan be?

Answer 1

Alright, lets get started.

An actual fly is about .2 inches long.

The model fly for the movie will be 27 feet long.

Converting 27 feet into inches, it will be = $27*12 = 324$ inches

So, lets first find the scale factor, so

scale factor will be = $\frac{324}{0.2}$

So, scale factor will be = 1620

It means from the original size, the model fly is scaled to 1620 times.

The actual fly has a wingspan of about .5 inches.

So, the model fly will have a wingspan = $0.5*1620$

So, the model fly will have a wingspan = 810 inches

Converting inches into feet,

the model fly will have a wingspan = $\frac{810}{12} = 67.5 feet$

So, the wingspan will be 67.5 feet.   :   Answer

Hope it will help :)