There are 60 gallons of water in the pool and she’s filling the pool at a rate of 50 gallons every five minutes the pool holds 200 gallons of water which equation represents about a minute and I’ll take to fill the pool?

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _