Mathematics, 02.08.2019 07:10 notearslefttocry14

Petrolyn motor oil is a combination of natural oil and synthetic oil. it contains 5 liters of natural oil for every 4 liters of synthetic oil. in order to make 495 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 5 liters of natura...

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