Problema Solution

One canned juice drink is 20​% orange​ juice; another is 10​% orange juice. How many liters of each should be mixed together in order to get 10L that is 19​% orange​ juice?

Answer provided by our tutors

Let

x = liters of the 20% orange juice

y = liters of the 10% orange juice 

Using the information given we can write the following system of equations:

x + y = 10

0.20x + 0.10y = 0.19*10

........

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

........

x = 9 l

y = 1 l

9 liters of 20% orange juice should be mixed with 1 l of 10% orange juice.