Sal paints a wall in his art classroom. He uses 2/3 gallon of blue paint and 1/5 allon of white paint. How much paint does he use?
A3/8 gallon
B1 gallon
C7/15 gallon
D13/15 gallon
A3/8 gallon
B1 gallon
C7/15 gallon
D13/15 gallon