3 1/2 miles/ (1 1/4 hour)
= (7/2 miles)/ (5/4 hour)
= 7/2* (4/5) miles/hour
= 2.8 miles/ hour
The final answer is 2.8 miles/ hour~
Answer:
A light beam from Proxima Centauri, the closest star to the Sun, requires about 4.2 years to reach Earth. Proxima Centauri is about 262,000 times farther away from us than the Sun.
Step-by-step explanation:
