how much water must be added to a 6-liter solution that contains 7% extract of baneberry to get a solution that contains 5% extract of baneberry

Answer 1

7(6) + 0(X) = 5(6+X)

42 = 30 +5X

5X = 12

X = 12/5 = 2.4 liters of water to get 5% extract