Answer:
it's -4
Step-by-step explanation:
hope it helped!!!!!!
Answer:
Step-by-step explanation:
x= -5 or x=2
that's what i think it is.
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.
