A) Divide total miles by total time:
21 miles / 4 hours = 5.25 miles per hour.
B) Divide miles by miles per hour:
42 miles / 5.25 miles per hour = 8 hours.
2 is the correct answer I'm almost definite
Answer:
-11, and -9 is the range for 1/2 and 0 respectively
Step-by-step explanation: