Answer:
4y + 10
Step-by-step explanation:
Since the perimeter of a rectangle is 2(l + w), where l is the length and w is the width, the perimeter of this rectangle would be
2((y + 5) + y)
To simplify this, just add similar terms inside the parentheses and multiply them both by 2.
2(2y + 5)
4y + 10
