Can someone pls help me! and the question is here! Write and evaluate an expression that shows the perimeter of the yard as the sum of the lengths of its sides?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Will give a: 122 b: 90 c: 48 d: 180

Select the correct answer and solve for y