Asquare poster has sides measuring 2 feet less than the sides of a square sign. if the difference between their areas is 52 square feet, find the lengths of the sides of the poster and the sign.

Let the length of a side of the sign
We get the length of a side of the poster

Difference between areas is 52
So
⇒
⇒
⇒
⇒ is the length of a side of the sign

Plug into is the length of a side of the poster

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.