You turn the negative to a positive like,
-5 - (-7) = 5 + (7)
= (12)
Answer: (edit) 558 minutes
Step-by-step explanation: What do you mean how long? In seconds or...
Answer:
The graph is in the picture below. The correct amount of hours that it will take Beth and Jonathon to have walked the same distance is 1 3/8 miles.