Respuesta :

Answer:

15

Step-by-step explanation:

14+14=28

58-28=30

30/2=15

mumsy

Answer:

Step-by-step explanation:

the perimeter of the rectangle is in this case

P=2h+2w

58=2(14)+2w

58=28+2w

58-28=2w

30=2w

w=30/2=15