One canned juice drink is 25% orange juice, another is 5% orange juice. How many liters of each should be mixed together to get a 20L that is 16% orange juice?
How many liters of 25% orange juice should be in the mixture?
How many liters of 5% orange juice should be in the mixture?

Question

One canned juice drink is 25% orange juice, another is 5% orange juice. How many liters of each should be mixed together to get a 20L that is 16% orange juice?
How many liters of 25% orange juice should be in the mixture?
How many liters of 5% orange juice should be in the mixture?

ganpat · Answer

let x be juice containing 25% orange 
and y be juice containing 5 % orange..

so you have two equations now.. 

x + y = 20 and, 
25x + 5y = 16 (20)

can u solve further ??

ganpat · Answer

multiply eqnt 1 by 5..

5x + 5y = 100 
subtract equatn 2..

20x = 120 

x= 6 liters... and y = 14 liters...