The Royal Fruit Company produces two types of fruit drinks. The first type is 70% pure fruit juice, and the second type is 95% pure fruit juice. How many pints of each drink must be used to make 50 pints of a mixture that is 90% pure fruit juice?
1 Answer
Explanation:
This is a system of equations question.
First, we define our variables: let
We know that there are
We also know that
For
Now we solve. First I'll get rid of the decimals in the second equation by multiplying by
Multiply the first equation by
Subtract the second equation from the first equation:
Thus, we need