Respuesta :

7)

4 door + 3 office + 7 big = 14 total bells

4 door out of 14 total = 4/14  = 2/7

8)

travel + hand + school = 1

5/10  + 4/10  +     s        = 1

     9/10        +     s        = 1

                           s        = 1/10

9)

25 golfish out of 45 total fish  = 25/45   = 5/9