This math topic focuses on calculating the dimensions of a rectangle when given its area and the ratio of its sides represented as fractions. It is part of an introductory unit on area and perimeter logic. The exercises involve solving for variable 'x', which affects the final dimensions of the rectangles presented in various questions. The concepts tested include understanding rectangular area computations and working with proportional relationships between side lengths.
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Solve for 'x', given this rectangle's dimensions