a 64 gallon solution of salt and water is 10 % salt . how many gallons of water must be added to the solution in order to decrease the salt to 8 % of the volume ?
n0 = 64.0
n1 = 10.0
n2 = 8.0
t0 = n1 - n2
t1 = n0 * t0
answer = t1 / n2
print(answer)