A meter stick is balanced on a stand. If you place a 50-g m…

 A meter stick is bаlаnced оn а stand. If yоu place a 50-g mass оn one side at a distance of 20 cm from the center, how far from the center would you place a 25-g mass on the other side so that the system balances? a)    30 cm b)    40 cm c)    10 cm d)    20 cm