Mathematics, 07.02.2021 19:50 bettybales1986

Question 20:- Fahein is interested in purchasing an AC too. He will give three times more points to energy efficiency and two points more to noise levels than sevices and installation. Whereas, design features don't matter to him. In this case he devises a way to compare the 5 models. Which one is the correct formula given his preferences?

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Question 20:- Fahein is interested in purchasing an AC too. He will give three times more points to...

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