The width of a rectangle is 5 times the length of the rectangle. The width of the rectangle is 30. What is the perimeter of the rectangle?

Two rectangles are similar. The perimeter of the first rectangle is 36. The perimeter of the second is 12. If the base length of the second rectangle is 4, what is the height of the first rectangle?

Two rectangles are similar. The first rectangle has a perimeter of and the second has a perimeter of . If the first rectangle has a length of , what the length of the second rectangle?