Question

A photographer needs a frame for a 16 x 20 inch picture, such that the total area is 340 in^2. Calculate the width of the frame. Which of the following quadratic equations would be used when solving this?

2x^2 + 36x = 20
2x^2 + 72 = 20
4x^2 + 36x = 20
4x^2 + 72x = 20

Answer 1

B? 2x^2+72=20 ( sorry if it isn’t right)

Answer 2

Please help me for my question