The lengths of sides of a triangle are (3x+2), (2x+5), and 4x. terrel correctly added the lengths of the three sides to find the perimeter. what expression did terrel write for perimeter?

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.)