Problema Solution

Professor snape needs 30 liters of potion that is 25% eye of Newt. He has potions with 20% eye of Newt and 45% eye f Newt. How much of each potion should he use?

Answer provided by our tutors

Let

x = liters of 20% eye of Newt

y = liters of 45% eye of Newt

x + y = 30

0.20x + 0.45y = 30*0.25

........

click here to see the system of equations solved for x and y

........

x = 24 L

y = 6 L

The professor should use 20 liters of 20% eye of Newt and 6 liters of 45% eye of Newt.