Jasmine enlarged a drawing she made in art class, what is the value of x

Is there supposed to be an equation that follows? Can I see the entire question?

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.

B. 16is the absolute value