I need help: Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 4 liters of natural oil for every

Question

2 years ago

12

3 liters of synthetic oil. In order to make 441 liters of Petrolyn oil, how many liters of synthetic oil are needed?

1 answer:

liubo4ka [24] · Answer 1 · 2023-12-06T16:54:26+03:00

In order to make 441 liters of Petrolyn oil, we need 189 liters of synthetic oil.

Given, for every 3 liters of synthetic oil, we use 4 liters of natural oil.

⇒ For 1 liter of synthetic oil, we will be adding 4/3 liters of natural oil.

Let 'x' be the liters of oil needed to make 441 liters of Petrolyn oil

⇒ For 'x' liters of synthetic oil, we will need 4x/3 liters of natural oil

Total Volume = 441 liters

Volume of Synthetic oil + Volume of natural oil = 441

x + 4x/3 = 441

⇒ (3x + 4x)/3 = 441

⇒ 7x/3 = 441

⇒ x = (441×3)/7

⇒ x = 189 liters

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