The expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. If the length is Fraction 2 over 5 unit and the width is Fraction 1 over 5 unit, what is the perimeter of the rectangle in units? (3 points) Fraction 3 over 5 2 Fraction 3 over 5 units 1 unit 1 Fraction 1 over 5 units