Sagot :
Answer:
D. c = kn
Step-by-step explanation:
Varies directly means the relationship is direct and proportional. As the number of pencil increases/decreases, the cost will as well increase/decrease respectively.
#CarryOnLearning
>_<
Answer:
Step-by-step explanation:
Varies directly means the relationship is direct and proportional. As the number of pencil increases/decreases, the cost will as well increase/decrease respectively.
#CarryOnLearning
>_<