Answer:
4.5 inches
Step-by-step explanation:
To find the height in inches of the model, you need to change the ration into a fraction:

Then try to figure out the value of the denominator in terms of the ratio:

In this equation we need to figure out how much the denominator of the fraction is changing by, by dividing 725 by 50. Then, multiply that by one:

The answer would be C. 72
Tenth have to make answer longer for this app sorry
171 ÷ 3 = 57
So, that means it's 57 mph