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The scale of a model airplane is 1:72. If the wingspan on the model airplane is 7.5 inches, then the wingspan of the actual airplane is how many feet?

Sagot :

valorusa112

Answer:

45 feet

Step-by-step explanation:

Use ratios:

[tex]\frac{1}{72}= \frac{7.5}{x}[/tex]

x = 540 inches

divide by 12 to get 45 feet

varshamittal029

The wingspan of the actual airplane is 45 feet.

What is ratio ?

Ratio is the comparison of two quantities having same units.

Example : Ratio of a & b is written as a/b, where b≠0

What is the required wingspan of the actual airplane ?

The scale of the model airplane is 1:72

Let, wingspan of the actual airplane = x inches

Using the ratio formula, we get,

1/72 = 7.5/x

⇒ x = 72×7.5

⇒ x = 540

So, the wingspan of actual airplane = 540 inches = 540/12 feet = 45 feet.

Learn more about ratio here :

https://brainly.com/question/20841591

#SPJ2

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