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Mathematics, 25.06.2019 18:20 elirosejohlandancel
Which system could be used to solve the following: a manager is comparing two companies. company a charges $50 plus $7 per item. company b charges $30 plus $9 per item. for what number of items will the cost be the same at both companies? (a) y=7+50x y=30+9x (b) y=50+7x y=30x+9 (c) y=50+7x y=30+9x (d) y=50x+7 y=30x+9
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