P = 2L + 2W
34 = 2(W + 7) + 2W
Solve system of equations to model the problem then solve:
The length of a rectangle is 7 inches more than the width. The perimeter is 34 inches. Find the length and the width of the rectangle.
2 answers
he perimeter of a circuit board is 30.4 inches and the length of its diagonal is 11 inches. What are the dimensions of the circuit board?