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Mathematics, 04.05.2020 23:55 NicolasG

Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 4 liters of natural oil for every 5 liters of synthetic oil. In order to make 711 liters of petrolyn oil, how many liters of synthetic oil are needed?

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Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 4 liters of natura...
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