How many halves are in one and one-half?

Choose the more precise measurement. 26.4 cm or 8.39 cm

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

How can constraints be used to model a real-world situation?