Anita is filling a small pool for her kids. Currently, there are 60 gallons of water in the pool and she is filling the pool at a rate of 50 gallons every 5 mins. The pool holds 200 gallons of water. Which equation represents the amount of minutes (m) that it will take to fill the pool?

A)-10m - 200=60

B)-50m + 200=60

C)-10m + 140 =60

D)-50m + 140 = 60