Sarina is mixing paint. If she adds 1/4 gallon blue, 1/4 gallon red, and 1/4 gallon white, how much total paint does she have?

Sarina has a total of 1/4 + 1/4 + 1/4 = <<1/4+1/4+1/4=3/4>>3/4 gallon of paint. Answer: \boxed{3/4}.