Answer:
Answer:
4 hours
Step-by-step explanation:
So we go over to calories burned in hundreds. We go to 4 since we wanna burn 400 calories. Now we go all the way to the right until we meet a point. that's at 240 minutes. There are 60 minutes in an hour. 240 divided by 60 is 4. So it takes 4 hours
Explanation: