SOLUTION: Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 3 liters of natural oil for every 2 liters of synthetic oil. In order to make 365 liters of Petrol

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 3 liters of natural oil for every 2 liters of synthetic oil. In order to make 365 liters of Petrol      Log On


   

Question 1191563: Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 3 liters of natural oil for every 2 liters of synthetic oil. In order to make 365 liters of Petrolyn oil, how many liters of synthetic oil are needed?
Found 2 solutions by ikleyn, greenestamps:
Answer by ikleyn(52810) About Me  (Show Source):
You can put this solution on YOUR website!
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Petrolyn motor oil is a combination of natural oil and synthetic oil.
It contains 3 liters of natural oil for every 2 liters of synthetic oil.
In order to make 365 liters of Petrolyn oil, how many liters of synthetic oil are needed?
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Liters of synthetic oil =   2%2A%28365%2F%283%2B2%29%29 = 2%2A%28365%2F5%29 = 2*73 = 146.             ANSWER



Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


Per the given condition...

let 3x = liters of natural oil
let 2x = liters of synthetic oil

The mixture is 365 liters:

3x+2x=365
5x=365
x=365/5=73

ANSWER: the number of liters of synthetic oil is 2x=146