The fifteenth customer will be the first because 5x3=15
Answer:
I do not understand.
Step-by-step explanation:
Please add a picture of explain what it is you want help with.
At this moment I do not understand the question, I am sorry.
Answer:

Step-by-step explanation:
A right triangle is formed.
300 miles and 400 miles are the legs of the triangle.
We can apply Pythagorean theorem.




Part a: 6:3 > 2:1
part b: 9:3> 3:1
Where are the triangles :)