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Mathematics 7 Online
OpenStudy (anonymous):

Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 3 liters of synthetic oil. In order to make 784 liters of Petrolyn oil, how many liters of synthetic oil are needed?

OpenStudy (anonymous):

784[3/(3+5)] = 294 Liters of synthetic oil

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