Answer: the expression representing the perimeter of the field is 4x + 280
Explanation:
The perimeter of a figure is the distance around it.
The formula for determining the perimeter of a rectangle is expressed as
Perimeter = 2(length + width)
The length of a football field is x. The width of the field is 70 yards less than the length. This means that the width of the football field is x - 70 yards.
an expression that represents the perimeter of the field without parentheses would be
Perimeter = 2(x + x- 70) = 2(2x + 70)
= 4x + 280