If 4\5 x ⬛ =2\5 then what is ⬛
[box] equals 1/2 (i think; check by dividing 0.8 by 0.4 on calculator, or 4/5 divided by 2/5 on fraction calculator... kind of obvious)
4/5 x= 2/5⇒ x= 2/5/ (4/5)⇒ x= 2/5 (5/4)⇒ x= 1/2Final answer: x=1/2~