The length of each side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. the length of each side of the original square was inches. nextreset

The length of each side of the original square was inches

Step-by-step explanation:

Let

x------> the length side of the original square

we know that

The perimeter of a square is equal to

where

b is the length side of the square

In this problem

substitute

solve for x

2nd one in the first row is correct

i would need to see the dot plot : )