A is 0.025 from what i worked out, I hope it is correct :)
Answer:
1/3
Step-by-step explanation:
You first convert the 2 minutes and 30 seconds to 150 seconds.
Then, you take the 150s÷5m to get the number of seconds per mile.
The answer is 30s/m
3: 18
4: 17
5: 561
6: 17
7: 23
:)