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Can somebody me out with this question

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )