Answer:
75 minutes
Step-by-step explanation:
find how long she take to run 1 mile,
30/4=7.5 minutes
then,
find how many minutes she takes to run 10 miles,
10 * 7.5 = 75 minutes
P(C) = 4/10 = 2/5
P(A) = 6/10 = 3/5
It Would Take her 6 days
2400÷400=6