Question

me ajuda !
tô precisando​

Answer 1

Resposta:

a) P = 2,80.n

P = 2,80 . 6

P = 16,80

b) P = 22,40

2,80.n = 22,40

n = 22,40/2,80

n = 8

c)

P = 2,80 . 20 = 56

2,80.n = 42

n = 42/2,80

n = 15