2/5 x 0,4 : ( 3/8 - 0,075 ) = BantuDenganCaranyaYa

2/5 x 0,4 = 2/5 x 4/10 :(3/8 - 0,075) Kerjain Yang (3/8-0,075 = 15000/4000 - 300/4000 = 12000/4000= 3/1   2/5 x 0,4= 2/5 x 10/4 = 20/20 = 1 1x3/1=1 3/1