Answer:
A = 1
Step-by-step explanation:






Jajahahaajjahahahahababahananananajajaja red
160 times 1.75 gives you 280 which means that it takes 160 secs to move a total of 280 feet
Answer: 
Step-by-step explanation:
This is a standard formula.
Hope you could understand.
If you have any query, feel free to ask.