One sixth of the students go to a local college are senior the number of freshman students is 2 1/2 times that amount , what fraction of the students are freshman ?

5/12 of the students are freshmen.

Step-by-step explanation:

Let n represent the total number of students.

Then (1/6)n are seniors; (2  1/2)(1/6)n are freshmen, or

(1/6)n are seniors and 5/12 are freshmen.  This comes from multiplying 2.5 by 1/6:  we get .416666..., which is equivalent to 5/12.

There are 5 batches of orange paint he can make .

Step-by-step explanation:

Since we have given that

Finley makes 1 batch of her favorite shade of orange paint by mixing 5 liters of yellow paint with 3 liters of red paint.

So, Ratio of yellow paint to red paint is

So, Quantity of yellow paint be 5x

Quantity of red paint be 3x

If she has 15 liters of red paint then,

So, Quantity of yellow paint will be

so, According to question,

In 8 liters of yellow and red paint , she can make 1 batch of orange paint

In 1 liter of yellow and red paint , she can make

In 25+15=40 liters of yellow and red paint , she can make

Hence, there are 5 batches of orange paint he can make .