Mathematics, 21.12.2020 01:00, shongmadi77

It takes a total of 78 hours to build four bed frames, a bookcase, and three chairs. It takes 108 hours to build six bed frames and four chairs. It takes 74 hours to build three bed frames, five bookcases, and two chairs.

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It takes a total of 78 hours to build four bed frames, a bookcase, and three chairs. It takes 108 ho...