Question

A model airplane has a scale of 1:30. If the model

airplane is 2.5 feet long, how long is the actual airplane?

Answer 1

75 ft

Explanation:

A 1:30 scale means that the real airplane is 30 times longer than the model airplane.

If the model airplane is 2.5 ft long, then the length of the real airplane is

2.5 * 30 ft = 75 ft

Answer: 75 ft