SOLUTION: A square poster has sides measuring 2 feet less than the sides of a square sign. If the difference between their areas is 20 square feet, find the length of the sides of the poster
- = 20 ====>
= 20 ====>
4x = 20 + 4 = 24 ====> x = 6.
Answer. The larger square has the side length of 6 feet.
The smaller square has the side length of 4 feet.
6^2 - 4^2 = 36 - 16 = 20. ! Correct !