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QUESTION
Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 5 liters of natural oil for every 7 liters of synthetic oil. In order to make 768 liters of Petrolyn oil, how many
Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains
5
liters of natural oil for every
7
liters of synthetic oil. In order to make
768
liters of Petrolyn oil, how many liters of synthetic oil are needed?
