A model plane is 1/48 the size of the actual plane. If the model plane is 28 inches long, how long is the actual plane?
The particular wording of the question is stating that the model is the fraction
Let the actual length of the plane be
Then we have:
Multiply both sides by
To change this into feet we need to determine how many lots of 12 inches we can fit into 1344 inches (12 inches = 1 foot).