Answer:
120 planters.
Step-by-step explanation:
given each planter can hold (1/8) of soil
i.e:
1/8 bag -------> can fill 1 planter
1 bag -----------> can fill 1 / (1/8) = 8 planters
15 bags ---------> can fill 8 planters per bag x 15 bags = 120 planters.