Respuesta :

sqdancefan

9514 1404 393

Answer:

  p = 20

Step-by-step explanation:

Collecting terms gives ...

  (4/5 -3/5)p - 4 = 0

  1/5p - 4 = 0

Multiplying by 5, we get ...

  p - 20 = 0

Then, adding 20 gives the solution:

  p = 20