Question

The formula for the perimeter of a rectangle is P = 2l + 2w. Solve the

formula for w in terms of P and l.

Answer 1

P-2l/2=w

Explanation:

P = 21 + 2w

Solve for w

Subtract 21 from both sides.

P - 21 = 2w

Divide both sides by 2.

P-21/2 = w