Answer:
People got killed or hurt
Explanation:
Interchangeable parts- are parts inside of a product that can be replaced individually, without having to replace the entire product
Assembly Line- is the concept of having workers lined up in a "row" and repeatedly do the same job the entire time. this helped with time consumption and made factorial processes much easier
A man traveled a certain number of miles by automobile and then nine times as far by airplane. His total trip was 600 miles in length. How far did he travel by plane?
x represents miles by <span>automobileairplane</span>.
9x represents miles by <span>automobileairplane</span>.