Multiple blade paddle agitator is used for mixing high viscosity liquids$/$paste in which the paddle diameter is commonly $0\mathrm{.}8$ times the tank diameter. However, the width of the blade is in the range of $\_\_\_\_\_\_\_\_\_$ times the paddle diameter.

$0\mathrm{.}1$ to $0\mathrm{.}25$

$0\mathrm{.}3$ to $0\mathrm{.}5$

$0\mathrm{.}5$ to $0\mathrm{.}6$

$0\mathrm{.}65$ to $0\mathrm{.}80$