
Let's do the bracket part first,
and solve further as shown,
As you can see clearly the first equation and the second equation descripe the same line so the have infinite soultions that is why it is a coincident system
Answer:
4 miles
Step-by-step explanation:
15 min. / 1 mile = 60 min. / x miles
Cross multiply.
15x = 60
Divide by 15
x = 4 miles
6pi is the answer i believe