Answer:
24
Step-by-step explanation:
30 secs = 0.5 min
thus 84 / 3.5 min = 168 / 7 = 24
Answer: 3
Step-by-step explanation:

Umm.. I have to see the problems, we might not have the same textbooks so
Answer:
Oh if I could hug you
Step-by-step explanation:
tysm you are the best!
Answer:
45
Step-by-step explanation: