please... jawab pakai cara !!! please....

Pulpen= 1/4 x 100%
= 25%
Pensil= 100% - (40 + 15 + 25)%
= 20%
Pulpen= 25% = 20 lusin

Pensil=
20%
——— x 20 lusin => 16 lusin (C)
25%
Semoga membantu :) Follow aku ya :)