Relax

Respuesta :

Answer:  12 children

Step-by-step explanation:

If 60% can swim, then that means 40% do not swim.

40% = 4/10 = 2/5

2/5 * 30 children = 12 children.

Answer:

12 children cannot swim

Step-by-step explanation:

100% - 60% = 40%

     40% cannot swim.

40% can become 0.4.

30 children * 0.4 = 12 children cannot swim