Jada needs to simplify the expression below. 50 minus 20 + 5 times 2.5 divided by 4 Which operation should she perform first?

Solve this problem by using a 5d process or writing and solving an equation. no matter which method you use, be sure to define your variable and write an equation to represent the relationship a rectangle has a perimeter of 30 inches. its length is one less than three times its width what are the length and wodyh of the rectangle?