Answer: 9 miles per hour.
Step-by-step explanation:
In 1 hour they would run (1 4/5)/(1/5) = (9/5)*5 = 9 hours. So, they are running 9 miles per hour.
Answer: C
Answer:
3 1/2x + 215=495
495-215=280
3 1/2 ÷280
x=80
if this helps
Answer: what are the choices?