Mathematics, 30.05.2020 20:03 aschunyhung
4 plates and 3 cups cost 16.70 dollars. 5 plates and 4 cups cost 21.20 dollars. Each plate costs the same amount as the other plates, and each cup costs the same amount as the other cups. What is the cost of 1 plate? What is the cost of 1 cup?
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4 plates and 3 cups cost 16.70 dollars. 5 plates and 4 cups cost 21.20 dollars. Each plate costs the...
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