Amodel is built to a scale of 1 ft: 87ft. if a model airplane is 3 feet long, how many feet long is the actual plane?

A model is built to a scale of 1 ft as 87 ft. That means that actual size is 87 times as mush as the model size.

Let the actual length be x ft.

Hence for model airplane which is 3 feet long , actual plane length must follow the equation 

87/1 = x/3

x = 3*87 = 261 ft long.

Therefor the actual airplane is 261 ft. long.

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step-by-step explanation:

28

step-by-step explanation:

because that's the answer