SOLUTION: Andy is building a model train. The real train has a wheel diameter of 33 inches, a length of 20 feet, a width of 10 feet, and a height of 12 feet. If his model has a wheel diamete

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: Andy is building a model train. The real train has a wheel diameter of 33 inches, a length of 20 feet, a width of 10 feet, and a height of 12 feet. If his model has a wheel diamete      Log On

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Question 793305: Andy is building a model train. The real train has a wheel diameter of 33 inches, a length of 20 feet, a width of 10 feet, and a height of 12 feet. If his model has a wheel diameter of 3 inches, what does the length need to be?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Actual wheel diameter: Model wheel diameter
33 inches : 3 inches
11 : 1
Therefore:
Actual length : Model length
240 inches : 21.81 inches
You are dividing the actual dimension
by 11, after you convert both to the same units
namely, inches.
Hope this helps.
:-)