Respuesta :

Answer:

The wingspan of the plane in feet is 72 feet .

Step-by-step explanation:

Let us assume that the  wingspan of the plane be u .

As given

A model plane was designed using a scale factor of 1:48.

If the wingspan of the model is 18 inches.

Thus the proportion equation becomes

[tex]\frac{wingspan\ of\ the\ model}{ wingspan of the plane} = \frac{1}{48}[/tex]

Putting the values in the above

[tex]\frac{18}{x} = \frac{1}{48}[/tex]

Simplify the above

[tex]x = 18\times 48[/tex]

x = 864 inches .

As

[tex]1\ inche = \frac{1}{12}\ feet[/tex]

Now convert 864 inches into feet .

[tex]864\ inche = \frac{864}{12}\ feet[/tex]

                       = 72 feet

Therefore the wingspan of the plane in feet is 72 feet .