The actual length of car is 42.857 foot
Solution:
Given that,
The scale of a railroad train set is 3.5 mm to 1 foot
The link of the model car in this it is 150 mm
To find: Length of actual car
Let "x" be the length of actual acr
From given,
Scale is:
3.5 mm : 1 foot
Then, given that link of the model car in this it is 150 mm
Then we get,
3.5 mm : 1 foot
150 mm : x foot
This forms a proportion and we can solve the sum by cross multiplying
[tex]3.5 \times x = 1 \times 150\\\\x = \frac{150}{3.5}\\\\x = 42.857[/tex]
Thus the actual length of car is 42.857 foot
