Question 923127
Total no of fishes  = 2061
 third of fishes are guppies
so , no of guppies   = {{{1/3 *2061}}}
                     =687
ninth of the fish are female mollies  = {{{1/9*2061}}}
                                      = 229
remang fishes are male mollies 
no of male mollies  =   2061-687-229
                    =1145
result is 1145