13.25 15 July 8, 2019 16 32 64 128 13.25 15 percentage 13.25 15 grade 13.25 15 raise 13.25 15 percent 13.25 of 150 13.25 plus 15 percent 13.25 x 15 13.25 of 1500 13.25 x 15 propeller 13.25 plus 15 13.25 of 155 13.25 times 15 13.25 x 15 prop