Jay has rectangular brownies. The length of each brownie is 8/4x cm and the width is 36/12x cm. Find the area of each brownies.

FROM :

Math Module 2: Rational Algebraic Expressions (Illustrating, Simplifying, Perform Operations, and Problem Solving) – Let Us Enhance Page 19

(Please Answer with an Explanation, Thank you) I already know the answer because of the answer sheets of the back of the module but i only need an explanation on how you solve it to get the answer. Please Help me, Thank you.

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