at an imax theater

Question

at an imax theater the giant rectangular movie screen has a width of 24 feet less than its length if its perimeter is 324 feet find the length and width of the screen

Answer 1

324 = X + X + (X+24) + (X+24)

 

324 = 4x + 48

 

276 = 4x

 

x = 69

 

width is 69.

length is 93.