Solve for xxx: x×0.5=0.2x \times 0.5 = 0.2x×0.5=0.2.
x=0.4x = 0.4x=0.4
x=0.1x = 0.1x=0.1
x=0.5x = 0.5x=0.5
x=0.25x = 0.25x=0.25