Question

The Boeing 747 airplane is 250 feet in length. If you make a model of this

plane using a scale of 2 in. = 25 ft, how long will the model plane be?*

Answer 1

• Total length=250ft
• 25ft=2in

No of 25fts

`\\ \tt\hookrightarrow 250/25=10`

No of 2in(Length):-

`\\ \tt\hookrightarrow 10(2)=20in`

Answer 2

• 20 inches

Explanation:

Solve using ratios, which gives us equal scale factors:

• 2 / x = 25 / 250
• 2 / x = 1 / 10
• x = 2*10
• x = 20 inches