Four gallons of paint are used to paint 25 chairs. if each chair used the same amount of paint, how many gallons are used to paint each chair? between what two whole numbers does your answer lie?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle