This is something about rational functions and I was given an assignment to be answered:

Liway has 6 liters of a pineapple juice blend. What is 50% pure pineapple juice. How many liters of pure pineapple juice and to be added to make the blend 75% pineapple juice?

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Very true but I have no clue

To solve this problem, we can use the concept of rational functions.

Let's assume the unknown quantity of pure pineapple juice (100% concentration) that needs to be added is "x" liters.

Given that Liway has 6 liters of a pineapple juice blend that is 50% pure pineapple juice, we can calculate the amount of pure pineapple juice in this blend.

Amount of pure pineapple juice in the blend = 50/100 * 6 = 3 liters

Now, we need to find the total amount of pineapple juice after adding "x" liters of pure pineapple juice to the blend.

Total amount of pineapple juice in the blend = 6 + x

According to the problem, the new blend should be 75% pure pineapple juice. So, we can set up the following equation:

(3 + x) / (6 + x) = 75/100

To solve this equation, we can cross-multiply:

100 * (3 + x) = 75 * (6 + x)

Now, let's simplify the equation:

300 + 100x = 450 + 75x

Subtracting 75x from both sides:

300 + 25x = 450

Subtracting 300 from both sides:

25x = 150

Dividing both sides by 25:

x = 6

Therefore, you need to add 6 liters of pure pineapple juice to the blend to make it 75% pineapple juice.

since pure juice is 100% juice, add up the amounts of juice:

.50(6) + 1.00(x) = .75(6+x)