Answer:
i believe your answer is correct
Step-by-step explanation:
Answer:
t = 54.85714 seconds
Step-by-step explanation:
t = 12(210)+9000/210
t = (2520 + 9000) / 210
t = 11520 / 210
t = 54.85714 seconds
6 because it is the greatest number that both can be divided by