Line segment AB is a median of a triangle, and point C is the centroid of the triangle. If the length of AC is 30 units long, what is the length of CB?*

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)