In the figure below, the area of square 1 is 169 cm² and the area of square 2 is 225 cm. What is the area of square 3? 8th grade math

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.

The percent increase is 25%