Respuesta :

Step-by-step explanation:

Morgan    12 ras     12× 3   black          Total     12×4 or 12 + 3 × 12 =  48 berries

Kendra   picked 9 × Morgan's Total

    Kendra picked   (12 +(3 × 12)) × 9       =   48 × 9     = 432 berries