The length of a rectangle is 3 times its width. the perimeter of the rectangle is at mostb112 cm. which inequality models the relationship between the width and the perimeter of the rectangle

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.)