Evaluate the formula for the perimeter of a rectangle to solve the problem. Then check all that apply.
First, write the formula for the perimeter of a rectangle: P = 2l + 2w.

Next, use parentheses when you substitute 50 for l and 25 for w.

After multiplying, add 100 and 50. The school needs 5,000 meters of fencing.

The school needs 150 meters of fencing.