D because your making the shape smaller 2 times
105 m = 2.5 h
x miles = 1 hour
You cross multiply since it's a proportion:
2.5 * x
105 * 1
=
2.5x = 105
Then you divide everything by 2.5
The answer is 42
Answer:
its the last one
Step-by-step explanation:
the sign flips when you divide by a negative
Answer:
x=6561
Step-by-step explanation:
We can solve this equation for x to get
