Question

Petrolyn oil is a combination of natural oil and snythetic oil it contains 2 liters of natural oil for every 3 liters of synthetic oil in order to make 325 liters of petrolyn oil ,how man y liters of natural oil are needed

Answer 1

165 liters.

Explanation:

Petrolyn motor oil is a combination or natural oil and synthetic oil.

It contains 3 liters of natural oil for every 2 liters of synthetic oil.

Question asked:

In order to make 275 liters of Petrolyn oil, how many liters of natural oil are needed?

Solution:

It is given that Petrolyn motor oil contains 3 liters of natural oil for every 2 liters of synthetic oil that means ratio of natural oil and synthetic oil is 3 : 2.

Now, in order to make 275 liters of Petrolyn oil, we will have to combine both natural and synthetic oil.

Let ratio be

Then quantity of natural oil in liters =

And quantity of synthetic oil in liters =

To make 275 liters of Petrolyn oil,

Quantity of natural oil in liters + quantity of synthetic oil in liters = 275

Dividing both sides by 5

= liters

Therefore, 165 liters of natural oil are needed to make 275 liters of Petrolyn oil.