Answer:
4+7=11
7-4=3
So the numbers must be 4, and 7.
My guess would be um 30.... this is confusing sorry:(
9/7=18/14 15/18=5/6 21/28=3/4
It will take more than 60 miles depending on how long the home plate is
Free movie, F = 87pts
Initial reward, I = 10pts
Additional reward, A = 7pts
Movie visit, X
F = I + XA
87 = 10 + 7X
X = (87-10)/7
X = 11
After 11 movie visits Andrew will have enough points for a free movie.