Please please answer this correctly.I need to finish till 100.Please give me the correct answers no wrong answers.

Answer:
2 min and 50 sec
Step-by-step explanation:
You have a total of 221 seconds - 51 = 170 seconds
Divide by 60 to find number of whole minutes
You have two minutes
Then take 2min away from the 170sec = 170 - 120 = 50seconds left after taking away the whole min