$2p+n=34$

$=> n =34-2p$

Có: $1$$\le$$\frac{n}{p}$$\le$$1,52$

1$\le$$\frac{34-2p}{p}$ $\le$$1,52$

$10$$\le$$p$$\le$$11$

Nếu p = 10 $=> n=14$

        p = 11 $=> n =12$